Table of
- T
- max [ NOAA NCDC ERSST version3b sst ] 0.0 meters
Additional Information
| Time | Extended reconstructed sea surface temperature |
|---|
| months since 1960-01-01 | degree_Celsius |
|---|
| Jan 1854 | 4.27 |
| Feb 1854 | 4.21 |
| Mar 1854 | 4.3 |
| Apr 1854 | 3.99 |
| May 1854 | 3.99 |
| Jun 1854 | 4.08 |
| Jul 1854 | 4.01 |
| Aug 1854 | 4.0 |
| Sep 1854 | 3.91 |
| Oct 1854 | 3.9 |
| Nov 1854 | 3.84 |
| Dec 1854 | 3.79 |
| Jan 1855 | 3.79 |
| Feb 1855 | 3.92 |
| Mar 1855 | 3.89 |
| Apr 1855 | 4.089999 |
| May 1855 | 3.98 |
| Jun 1855 | 3.92 |
| Jul 1855 | 3.77 |
| Aug 1855 | 3.889999 |
| Sep 1855 | 3.91 |
| Oct 1855 | 3.889999 |
| Nov 1855 | 3.88 |
| Dec 1855 | 3.99 |
| Jan 1856 | 4.110001 |
| Feb 1856 | 4.06 |
| Mar 1856 | 4.07 |
| Apr 1856 | 4.110001 |
| May 1856 | 3.99 |
| Jun 1856 | 3.99 |
| Jul 1856 | 4.169999 |
| Aug 1856 | 4.17 |
| Sep 1856 | 4.150001 |
| Oct 1856 | 4.17 |
| Nov 1856 | 4.01 |
| Dec 1856 | 4.05 |
| Jan 1857 | 3.889999 |
| Feb 1857 | 4.169999 |
| Mar 1857 | 4.09 |
| Apr 1857 | 4.190001 |
| May 1857 | 4.05 |
| Jun 1857 | 3.799999 |
| Jul 1857 | 3.83 |
| Aug 1857 | 3.91 |
| Sep 1857 | 3.94 |
| Oct 1857 | 4.04 |
| Nov 1857 | 3.86 |
| Dec 1857 | 4.04 |
| Jan 1858 | 4.24 |
| Feb 1858 | 4.02 |
| Mar 1858 | 4.02 |
| Apr 1858 | 3.93 |
| May 1858 | 3.86 |
| Jun 1858 | 3.75 |
| Jul 1858 | 3.83 |
| Aug 1858 | 3.83 |
| Sep 1858 | 4.01 |
| Oct 1858 | 4.059999 |
| Nov 1858 | 3.94 |
| Dec 1858 | 3.88 |
| Jan 1859 | 3.87 |
| Feb 1859 | 3.95 |
| Mar 1859 | 4.16 |
| Apr 1859 | 3.83 |
| May 1859 | 3.919999 |
| Jun 1859 | 3.86 |
| Jul 1859 | 3.81 |
| Aug 1859 | 3.929999 |
| Sep 1859 | 4.099999 |
| Oct 1859 | 4.05 |
| Nov 1859 | 3.86 |
| Dec 1859 | 3.8 |
| Jan 1860 | 4.099999 |
| Feb 1860 | 4.3 |
| Mar 1860 | 4.22 |
| Apr 1860 | 4.13 |
| May 1860 | 3.849999 |
| Jun 1860 | 3.97 |
| Jul 1860 | 3.940001 |
| Aug 1860 | 3.92 |
| Sep 1860 | 3.76 |
| Oct 1860 | 3.789999 |
| Nov 1860 | 3.83 |
| Dec 1860 | 3.98 |
| Jan 1861 | 4.27 |
| Feb 1861 | 4.4 |
| Mar 1861 | 4.0 |
| Apr 1861 | 3.62 |
| May 1861 | 3.67 |
| Jun 1861 | 3.8 |
| Jul 1861 | 3.87 |
| Aug 1861 | 4.03 |
| Sep 1861 | 4.009999 |
| Oct 1861 | 4.02 |
| Nov 1861 | 3.98 |
| Dec 1861 | 4.219999 |
| Jan 1862 | 4.240001 |
| Feb 1862 | 4.07 |
| Mar 1862 | 3.99 |
| Apr 1862 | 4.12 |
| May 1862 | 4.099999 |
| Jun 1862 | 3.940001 |
| Jul 1862 | 4.009999 |
| Aug 1862 | 4.0 |
| Sep 1862 | 4.07 |
| Oct 1862 | 3.82 |
| Nov 1862 | 3.83 |
| Dec 1862 | 4.05 |
| Jan 1863 | 4.309999 |
| Feb 1863 | 4.32 |
| Mar 1863 | 4.4 |
| Apr 1863 | 4.1 |
| May 1863 | 4.13 |
| Jun 1863 | 4.219999 |
| Jul 1863 | 4.04 |
| Aug 1863 | 3.96 |
| Sep 1863 | 4.01 |
| Oct 1863 | 3.929999 |
| Nov 1863 | 3.849999 |
| Dec 1863 | 3.9 |
| Jan 1864 | 3.95 |
| Feb 1864 | 3.76 |
| Mar 1864 | 4.009999 |
| Apr 1864 | 4.01 |
| May 1864 | 3.76 |
| Jun 1864 | 3.78 |
| Jul 1864 | 3.879999 |
| Aug 1864 | 3.95 |
| Sep 1864 | 3.98 |
| Oct 1864 | 3.92 |
| Nov 1864 | 3.92 |
| Dec 1864 | 3.86 |
| Jan 1865 | 4.27 |
| Feb 1865 | 4.27 |
| Mar 1865 | 3.989999 |
| Apr 1865 | 3.999999 |
| May 1865 | 3.88 |
| Jun 1865 | 3.9 |
| Jul 1865 | 3.889999 |
| Aug 1865 | 3.93 |
| Sep 1865 | 3.900001 |
| Oct 1865 | 3.849999 |
| Nov 1865 | 3.91 |
| Dec 1865 | 3.93 |
| Jan 1866 | 4.08 |
| Feb 1866 | 3.94 |
| Mar 1866 | 3.79 |
| Apr 1866 | 4.01 |
| May 1866 | 4.02 |
| Jun 1866 | 3.889999 |
| Jul 1866 | 3.78 |
| Aug 1866 | 3.96 |
| Sep 1866 | 3.91 |
| Oct 1866 | 3.969999 |
| Nov 1866 | 4.24 |
| Dec 1866 | 3.88 |
| Jan 1867 | 3.95 |
| Feb 1867 | 4.099999 |
| Mar 1867 | 4.070001 |
| Apr 1867 | 4.009999 |
| May 1867 | 4.03 |
| Jun 1867 | 3.91 |
| Jul 1867 | 3.95 |
| Aug 1867 | 3.97 |
| Sep 1867 | 3.940001 |
| Oct 1867 | 3.92 |
| Nov 1867 | 3.91 |
| Dec 1867 | 3.85 |
| Jan 1868 | 4.03 |
| Feb 1868 | 4.179999 |
| Mar 1868 | 4.2 |
| Apr 1868 | 3.849999 |
| May 1868 | 3.74 |
| Jun 1868 | 3.759999 |
| Jul 1868 | 3.77 |
| Aug 1868 | 3.97 |
| Sep 1868 | 4.07 |
| Oct 1868 | 3.73 |
| Nov 1868 | 3.87 |
| Dec 1868 | 3.89 |
| Jan 1869 | 3.97 |
| Feb 1869 | 4.07 |
| Mar 1869 | 4.1 |
| Apr 1869 | 4.000001 |
| May 1869 | 4.07 |
| Jun 1869 | 4.07 |
| Jul 1869 | 4.01 |
| Aug 1869 | 3.88 |
| Sep 1869 | 3.91 |
| Oct 1869 | 4.099999 |
| Nov 1869 | 3.91 |
| Dec 1869 | 3.91 |
| Jan 1870 | 3.99 |
| Feb 1870 | 4.150001 |
| Mar 1870 | 4.179999 |
| Apr 1870 | 4.07 |
| May 1870 | 3.94 |
| Jun 1870 | 3.89 |
| Jul 1870 | 3.900001 |
| Aug 1870 | 3.98 |
| Sep 1870 | 4.06 |
| Oct 1870 | 4.18 |
| Nov 1870 | 4.06 |
| Dec 1870 | 4.349999 |
| Jan 1871 | 4.329999 |
| Feb 1871 | 4.37 |
| Mar 1871 | 4.05 |
| Apr 1871 | 3.950001 |
| May 1871 | 3.92 |
| Jun 1871 | 3.89 |
| Jul 1871 | 3.969999 |
| Aug 1871 | 4.12 |
| Sep 1871 | 4.11 |
| Oct 1871 | 4.01 |
| Nov 1871 | 3.88 |
| Dec 1871 | 3.82 |
| Jan 1872 | 3.96 |
| Feb 1872 | 4.22 |
| Mar 1872 | 4.18 |
| Apr 1872 | 3.95 |
| May 1872 | 3.9 |
| Jun 1872 | 3.82 |
| Jul 1872 | 3.92 |
| Aug 1872 | 3.809999 |
| Sep 1872 | 3.900001 |
| Oct 1872 | 3.8 |
| Nov 1872 | 3.75 |
| Dec 1872 | 3.76 |
| Jan 1873 | 3.740001 |
| Feb 1873 | 3.909999 |
| Mar 1873 | 3.990001 |
| Apr 1873 | 3.9 |
| May 1873 | 3.97 |
| Jun 1873 | 3.91 |
| Jul 1873 | 3.88 |
| Aug 1873 | 3.96 |
| Sep 1873 | 4.099999 |
| Oct 1873 | 3.990001 |
| Nov 1873 | 3.969999 |
| Dec 1873 | 3.92 |
| Jan 1874 | 3.820001 |
| Feb 1874 | 3.93 |
| Mar 1874 | 4.099999 |
| Apr 1874 | 4.33 |
| May 1874 | 3.99 |
| Jun 1874 | 3.8 |
| Jul 1874 | 3.91 |
| Aug 1874 | 3.97 |
| Sep 1874 | 4.13 |
| Oct 1874 | 4.099999 |
| Nov 1874 | 3.96 |
| Dec 1874 | 4.04 |
| Jan 1875 | 4.38 |
| Feb 1875 | 4.490001 |
| Mar 1875 | 4.309999 |
| Apr 1875 | 4.33 |
| May 1875 | 3.94 |
| Jun 1875 | 3.95 |
| Jul 1875 | 3.900001 |
| Aug 1875 | 4.04 |
| Sep 1875 | 3.98 |
| Oct 1875 | 3.89 |
| Nov 1875 | 3.950001 |
| Dec 1875 | 4.03 |
| Jan 1876 | 3.87 |
| Feb 1876 | 3.89 |
| Mar 1876 | 3.9 |
| Apr 1876 | 3.83 |
| May 1876 | 4.04 |
| Jun 1876 | 3.96 |
| Jul 1876 | 4.03 |
| Aug 1876 | 4.059999 |
| Sep 1876 | 4.0 |
| Oct 1876 | 4.02 |
| Nov 1876 | 3.96 |
| Dec 1876 | 3.99 |
| Jan 1877 | 4.08 |
| Feb 1877 | 4.06 |
| Mar 1877 | 4.120001 |
| Apr 1877 | 4.150001 |
| May 1877 | 4.09 |
| Jun 1877 | 4.15 |
| Jul 1877 | 4.21 |
| Aug 1877 | 4.17 |
| Sep 1877 | 4.08 |
| Oct 1877 | 3.96 |
| Nov 1877 | 3.99 |
| Dec 1877 | 3.849999 |
| Jan 1878 | 3.84 |
| Feb 1878 | 3.97 |
| Mar 1878 | 4.22 |
| Apr 1878 | 3.969999 |
| May 1878 | 4.099999 |
| Jun 1878 | 4.04 |
| Jul 1878 | 3.929999 |
| Aug 1878 | 3.94 |
| Sep 1878 | 3.94 |
| Oct 1878 | 3.84 |
| Nov 1878 | 3.73 |
| Dec 1878 | 3.690001 |
| Jan 1879 | 3.759999 |
| Feb 1879 | 4.06 |
| Mar 1879 | 4.190001 |
| Apr 1879 | 4.039999 |
| May 1879 | 4.04 |
| Jun 1879 | 4.029999 |
| Jul 1879 | 4.04 |
| Aug 1879 | 4.08 |
| Sep 1879 | 4.13 |
| Oct 1879 | 3.96 |
| Nov 1879 | 3.71 |
| Dec 1879 | 3.99 |
| Jan 1880 | 4.03 |
| Feb 1880 | 3.96 |
| Mar 1880 | 3.88 |
| Apr 1880 | 3.93 |
| May 1880 | 3.97 |
| Jun 1880 | 3.92 |
| Jul 1880 | 4.01 |
| Aug 1880 | 4.06 |
| Sep 1880 | 4.09 |
| Oct 1880 | 4.17 |
| Nov 1880 | 4.02 |
| Dec 1880 | 4.23 |
| Jan 1881 | 4.4 |
| Feb 1881 | 3.98 |
| Mar 1881 | 3.91 |
| Apr 1881 | 3.91 |
| May 1881 | 4.0 |
| Jun 1881 | 4.01 |
| Jul 1881 | 4.04 |
| Aug 1881 | 4.049999 |
| Sep 1881 | 4.15 |
| Oct 1881 | 4.16 |
| Nov 1881 | 4.05 |
| Dec 1881 | 4.04 |
| Jan 1882 | 4.17 |
| Feb 1882 | 3.92 |
| Mar 1882 | 3.900001 |
| Apr 1882 | 4.08 |
| May 1882 | 4.23 |
| Jun 1882 | 4.08 |
| Jul 1882 | 3.96 |
| Aug 1882 | 4.13 |
| Sep 1882 | 4.07 |
| Oct 1882 | 4.05 |
| Nov 1882 | 4.2 |
| Dec 1882 | 4.14 |
| Jan 1883 | 4.42 |
| Feb 1883 | 4.59 |
| Mar 1883 | 4.37 |
| Apr 1883 | 4.110001 |
| May 1883 | 3.96 |
| Jun 1883 | 3.969999 |
| Jul 1883 | 4.070001 |
| Aug 1883 | 4.07 |
| Sep 1883 | 4.12 |
| Oct 1883 | 3.98 |
| Nov 1883 | 3.93 |
| Dec 1883 | 3.91 |
| Jan 1884 | 4.04 |
| Feb 1884 | 3.990001 |
| Mar 1884 | 3.86 |
| Apr 1884 | 3.78 |
| May 1884 | 3.83 |
| Jun 1884 | 4.099999 |
| Jul 1884 | 4.03 |
| Aug 1884 | 4.01 |
| Sep 1884 | 4.13 |
| Oct 1884 | 4.05 |
| Nov 1884 | 3.96 |
| Dec 1884 | 4.07 |
| Jan 1885 | 4.11 |
| Feb 1885 | 4.25 |
| Mar 1885 | 4.309999 |
| Apr 1885 | 4.13 |
| May 1885 | 3.87 |
| Jun 1885 | 3.96 |
| Jul 1885 | 3.94 |
| Aug 1885 | 3.87 |
| Sep 1885 | 3.79 |
| Oct 1885 | 3.94 |
| Nov 1885 | 3.889999 |
| Dec 1885 | 3.97 |
| Jan 1886 | 4.11 |
| Feb 1886 | 4.309999 |
| Mar 1886 | 4.37 |
| Apr 1886 | 4.05 |
| May 1886 | 3.98 |
| Jun 1886 | 3.85 |
| Jul 1886 | 3.98 |
| Aug 1886 | 4.02 |
| Sep 1886 | 3.96 |
| Oct 1886 | 4.0 |
| Nov 1886 | 3.94 |
| Dec 1886 | 3.95 |
| Jan 1887 | 3.8 |
| Feb 1887 | 3.759999 |
| Mar 1887 | 3.910001 |
| Apr 1887 | 3.650001 |
| May 1887 | 3.74 |
| Jun 1887 | 3.839999 |
| Jul 1887 | 3.87 |
| Aug 1887 | 3.9 |
| Sep 1887 | 4.05 |
| Oct 1887 | 4.02 |
| Nov 1887 | 3.97 |
| Dec 1887 | 4.049999 |
| Jan 1888 | 4.05 |
| Feb 1888 | 3.949999 |
| Mar 1888 | 4.04 |
| Apr 1888 | 3.99 |
| May 1888 | 4.03 |
| Jun 1888 | 4.09 |
| Jul 1888 | 4.190001 |
| Aug 1888 | 4.23 |
| Sep 1888 | 4.13 |
| Oct 1888 | 3.969999 |
| Nov 1888 | 3.9 |
| Dec 1888 | 3.76 |
| Jan 1889 | 3.990001 |
| Feb 1889 | 4.01 |
| Mar 1889 | 4.059999 |
| Apr 1889 | 4.059999 |
| May 1889 | 4.049999 |
| Jun 1889 | 3.92 |
| Jul 1889 | 3.98 |
| Aug 1889 | 4.039999 |
| Sep 1889 | 4.14 |
| Oct 1889 | 4.04 |
| Nov 1889 | 4.02 |
| Dec 1889 | 4.14 |
| Jan 1890 | 4.17 |
| Feb 1890 | 4.16 |
| Mar 1890 | 3.88 |
| Apr 1890 | 4.0 |
| May 1890 | 4.009999 |
| Jun 1890 | 4.099999 |
| Jul 1890 | 3.94 |
| Aug 1890 | 3.93 |
| Sep 1890 | 3.99 |
| Oct 1890 | 4.15 |
| Nov 1890 | 4.02 |
| Dec 1890 | 3.929999 |
| Jan 1891 | 4.219999 |
| Feb 1891 | 4.24 |
| Mar 1891 | 4.03 |
| Apr 1891 | 4.139999 |
| May 1891 | 4.12 |
| Jun 1891 | 3.97 |
| Jul 1891 | 3.889999 |
| Aug 1891 | 3.969999 |
| Sep 1891 | 4.13 |
| Oct 1891 | 4.19 |
| Nov 1891 | 4.06 |
| Dec 1891 | 4.37 |
| Jan 1892 | 4.379999 |
| Feb 1892 | 4.22 |
| Mar 1892 | 4.27 |
| Apr 1892 | 4.3 |
| May 1892 | 4.05 |
| Jun 1892 | 4.07 |
| Jul 1892 | 4.01 |
| Aug 1892 | 4.16 |
| Sep 1892 | 3.89 |
| Oct 1892 | 4.07 |
| Nov 1892 | 3.99 |
| Dec 1892 | 3.86 |
| Jan 1893 | 3.83 |
| Feb 1893 | 4.02 |
| Mar 1893 | 4.219999 |
| Apr 1893 | 4.110001 |
| May 1893 | 4.03 |
| Jun 1893 | 3.84 |
| Jul 1893 | 3.849999 |
| Aug 1893 | 3.740001 |
| Sep 1893 | 4.04 |
| Oct 1893 | 4.13 |
| Nov 1893 | 4.04 |
| Dec 1893 | 4.29 |
| Jan 1894 | 4.360001 |
| Feb 1894 | 4.440001 |
| Mar 1894 | 4.38 |
| Apr 1894 | 4.190001 |
| May 1894 | 3.91 |
| Jun 1894 | 3.86 |
| Jul 1894 | 3.879999 |
| Aug 1894 | 4.03 |
| Sep 1894 | 3.96 |
| Oct 1894 | 3.969999 |
| Nov 1894 | 4.04 |
| Dec 1894 | 4.0 |
| Jan 1895 | 3.95 |
| Feb 1895 | 4.29 |
| Mar 1895 | 4.289999 |
| Apr 1895 | 3.92 |
| May 1895 | 3.99 |
| Jun 1895 | 4.02 |
| Jul 1895 | 4.1 |
| Aug 1895 | 4.059999 |
| Sep 1895 | 4.049999 |
| Oct 1895 | 3.95 |
| Nov 1895 | 3.83 |
| Dec 1895 | 3.740001 |
| Jan 1896 | 3.710001 |
| Feb 1896 | 3.7 |
| Mar 1896 | 3.789999 |
| Apr 1896 | 3.84 |
| May 1896 | 4.08 |
| Jun 1896 | 3.98 |
| Jul 1896 | 4.03 |
| Aug 1896 | 4.07 |
| Sep 1896 | 4.01 |
| Oct 1896 | 3.78 |
| Nov 1896 | 3.75 |
| Dec 1896 | 3.8 |
| Jan 1897 | 3.97 |
| Feb 1897 | 4.39 |
| Mar 1897 | 4.339999 |
| Apr 1897 | 4.059999 |
| May 1897 | 3.91 |
| Jun 1897 | 4.0 |
| Jul 1897 | 4.09 |
| Aug 1897 | 4.17 |
| Sep 1897 | 4.19 |
| Oct 1897 | 4.14 |
| Nov 1897 | 4.07 |
| Dec 1897 | 4.14 |
| Jan 1898 | 3.94 |
| Feb 1898 | 4.08 |
| Mar 1898 | 3.859999 |
| Apr 1898 | 3.74 |
| May 1898 | 3.74 |
| Jun 1898 | 3.91 |
| Jul 1898 | 3.93 |
| Aug 1898 | 4.18 |
| Sep 1898 | 4.329999 |
| Oct 1898 | 4.33 |
| Nov 1898 | 4.27 |
| Dec 1898 | 4.21 |
| Jan 1899 | 4.21 |
| Feb 1899 | 4.28 |
| Mar 1899 | 4.15 |
| Apr 1899 | 4.21 |
| May 1899 | 4.150001 |
| Jun 1899 | 4.09 |
| Jul 1899 | 4.18 |
| Aug 1899 | 4.12 |
| Sep 1899 | 4.19 |
| Oct 1899 | 4.15 |
| Nov 1899 | 4.19 |
| Dec 1899 | 4.06 |
| Jan 1900 | 4.049999 |
| Feb 1900 | 4.34 |
| Mar 1900 | 4.29 |
| Apr 1900 | 4.09 |
| May 1900 | 4.03 |
| Jun 1900 | 4.08 |
| Jul 1900 | 4.18 |
| Aug 1900 | 4.19 |
| Sep 1900 | 4.18 |
| Oct 1900 | 4.21 |
| Nov 1900 | 3.96 |
| Dec 1900 | 3.97 |
| Jan 1901 | 4.12 |
| Feb 1901 | 4.01 |
| Mar 1901 | 3.989999 |
| Apr 1901 | 3.929999 |
| May 1901 | 3.919999 |
| Jun 1901 | 3.809999 |
| Jul 1901 | 3.969999 |
| Aug 1901 | 3.969999 |
| Sep 1901 | 4.12 |
| Oct 1901 | 4.14 |
| Nov 1901 | 4.15 |
| Dec 1901 | 4.07 |
| Jan 1902 | 4.29 |
| Feb 1902 | 4.29 |
| Mar 1902 | 4.4 |
| Apr 1902 | 4.15 |
| May 1902 | 4.06 |
| Jun 1902 | 4.110001 |
| Jul 1902 | 4.009999 |
| Aug 1902 | 3.950001 |
| Sep 1902 | 4.009999 |
| Oct 1902 | 3.98 |
| Nov 1902 | 3.860001 |
| Dec 1902 | 3.85 |
| Jan 1903 | 4.27 |
| Feb 1903 | 4.24 |
| Mar 1903 | 4.24 |
| Apr 1903 | 4.02 |
| May 1903 | 3.74 |
| Jun 1903 | 3.93 |
| Jul 1903 | 4.04 |
| Aug 1903 | 4.03 |
| Sep 1903 | 4.06 |
| Oct 1903 | 3.86 |
| Nov 1903 | 4.17 |
| Dec 1903 | 4.349999 |
| Jan 1904 | 4.490001 |
| Feb 1904 | 4.63 |
| Mar 1904 | 4.14 |
| Apr 1904 | 3.88 |
| May 1904 | 4.009999 |
| Jun 1904 | 4.049999 |
| Jul 1904 | 4.14 |
| Aug 1904 | 4.150001 |
| Sep 1904 | 4.24 |
| Oct 1904 | 4.19 |
| Nov 1904 | 4.15 |
| Dec 1904 | 4.059999 |
| Jan 1905 | 4.22 |
| Feb 1905 | 4.54 |
| Mar 1905 | 4.48 |
| Apr 1905 | 4.13 |
| May 1905 | 4.0 |
| Jun 1905 | 3.98 |
| Jul 1905 | 4.16 |
| Aug 1905 | 4.209999 |
| Sep 1905 | 4.04 |
| Oct 1905 | 3.88 |
| Nov 1905 | 4.14 |
| Dec 1905 | 4.14 |
| Jan 1906 | 3.97 |
| Feb 1906 | 4.190001 |
| Mar 1906 | 4.11 |
| Apr 1906 | 3.9 |
| May 1906 | 3.92 |
| Jun 1906 | 3.86 |
| Jul 1906 | 3.84 |
| Aug 1906 | 3.78 |
| Sep 1906 | 3.89 |
| Oct 1906 | 4.049999 |
| Nov 1906 | 3.92 |
| Dec 1906 | 3.95 |
| Jan 1907 | 4.34 |
| Feb 1907 | 4.45 |
| Mar 1907 | 4.67 |
| Apr 1907 | 4.209999 |
| May 1907 | 3.93 |
| Jun 1907 | 3.91 |
| Jul 1907 | 3.87 |
| Aug 1907 | 3.78 |
| Sep 1907 | 3.74 |
| Oct 1907 | 3.89 |
| Nov 1907 | 3.940001 |
| Dec 1907 | 3.969999 |
| Jan 1908 | 3.87 |
| Feb 1908 | 3.88 |
| Mar 1908 | 3.809999 |
| Apr 1908 | 3.81 |
| May 1908 | 3.68 |
| Jun 1908 | 3.84 |
| Jul 1908 | 4.059999 |
| Aug 1908 | 4.03 |
| Sep 1908 | 4.06 |
| Oct 1908 | 3.89 |
| Nov 1908 | 3.91 |
| Dec 1908 | 3.94 |
| Jan 1909 | 4.07 |
| Feb 1909 | 4.169999 |
| Mar 1909 | 3.89 |
| Apr 1909 | 3.96 |
| May 1909 | 3.96 |
| Jun 1909 | 4.15 |
| Jul 1909 | 4.099999 |
| Aug 1909 | 4.049999 |
| Sep 1909 | 4.09 |
| Oct 1909 | 4.08 |
| Nov 1909 | 3.95 |
| Dec 1909 | 4.009999 |
| Jan 1910 | 3.98 |
| Feb 1910 | 3.99 |
| Mar 1910 | 4.22 |
| Apr 1910 | 4.28 |
| May 1910 | 4.21 |
| Jun 1910 | 3.91 |
| Jul 1910 | 3.77 |
| Aug 1910 | 3.87 |
| Sep 1910 | 3.94 |
| Oct 1910 | 3.94 |
| Nov 1910 | 3.87 |
| Dec 1910 | 3.990001 |
| Jan 1911 | 3.79 |
| Feb 1911 | 3.950001 |
| Mar 1911 | 3.830001 |
| Apr 1911 | 3.91 |
| May 1911 | 3.94 |
| Jun 1911 | 3.969999 |
| Jul 1911 | 4.02 |
| Aug 1911 | 4.009999 |
| Sep 1911 | 4.12 |
| Oct 1911 | 4.059999 |
| Nov 1911 | 3.879999 |
| Dec 1911 | 4.05 |
| Jan 1912 | 3.999999 |
| Feb 1912 | 4.099999 |
| Mar 1912 | 3.97 |
| Apr 1912 | 3.78 |
| May 1912 | 3.71 |
| Jun 1912 | 3.8 |
| Jul 1912 | 3.789999 |
| Aug 1912 | 3.889999 |
| Sep 1912 | 3.99 |
| Oct 1912 | 3.9 |
| Nov 1912 | 3.96 |
| Dec 1912 | 3.809999 |
| Jan 1913 | 4.21 |
| Feb 1913 | 4.2 |
| Mar 1913 | 4.23 |
| Apr 1913 | 4.28 |
| May 1913 | 4.03 |
| Jun 1913 | 3.83 |
| Jul 1913 | 3.91 |
| Aug 1913 | 4.02 |
| Sep 1913 | 4.02 |
| Oct 1913 | 4.02 |
| Nov 1913 | 3.889999 |
| Dec 1913 | 3.82 |
| Jan 1914 | 3.88 |
| Feb 1914 | 4.15 |
| Mar 1914 | 4.089999 |
| Apr 1914 | 4.07 |
| May 1914 | 4.21 |
| Jun 1914 | 4.11 |
| Jul 1914 | 4.14 |
| Aug 1914 | 4.02 |
| Sep 1914 | 4.02 |
| Oct 1914 | 4.09 |
| Nov 1914 | 3.92 |
| Dec 1914 | 3.879999 |
| Jan 1915 | 3.92 |
| Feb 1915 | 3.92 |
| Mar 1915 | 3.88 |
| Apr 1915 | 4.21 |
| May 1915 | 4.01 |
| Jun 1915 | 3.719999 |
| Jul 1915 | 3.86 |
| Aug 1915 | 3.87 |
| Sep 1915 | 3.9 |
| Oct 1915 | 3.92 |
| Nov 1915 | 3.76 |
| Dec 1915 | 3.88 |
| Jan 1916 | 3.87 |
| Feb 1916 | 3.9 |
| Mar 1916 | 3.92 |
| Apr 1916 | 3.969999 |
| May 1916 | 3.88 |
| Jun 1916 | 3.75 |
| Jul 1916 | 3.88 |
| Aug 1916 | 3.91 |
| Sep 1916 | 4.03 |
| Oct 1916 | 4.03 |
| Nov 1916 | 3.99 |
| Dec 1916 | 4.07 |
| Jan 1917 | 4.26 |
| Feb 1917 | 4.6 |
| Mar 1917 | 4.4 |
| Apr 1917 | 4.05 |
| May 1917 | 3.96 |
| Jun 1917 | 3.78 |
| Jul 1917 | 3.929999 |
| Aug 1917 | 3.94 |
| Sep 1917 | 3.950001 |
| Oct 1917 | 4.07 |
| Nov 1917 | 3.77 |
| Dec 1917 | 4.04 |
| Jan 1918 | 4.11 |
| Feb 1918 | 4.509999 |
| Mar 1918 | 4.190001 |
| Apr 1918 | 4.29 |
| May 1918 | 4.07 |
| Jun 1918 | 4.06 |
| Jul 1918 | 4.07 |
| Aug 1918 | 4.059999 |
| Sep 1918 | 4.08 |
| Oct 1918 | 4.11 |
| Nov 1918 | 4.01 |
| Dec 1918 | 4.12 |
| Jan 1919 | 4.2 |
| Feb 1919 | 4.41 |
| Mar 1919 | 4.349999 |
| Apr 1919 | 4.36 |
| May 1919 | 4.579999 |
| Jun 1919 | 3.95 |
| Jul 1919 | 3.89 |
| Aug 1919 | 3.88 |
| Sep 1919 | 4.08 |
| Oct 1919 | 4.089999 |
| Nov 1919 | 4.12 |
| Dec 1919 | 4.219999 |
| Jan 1920 | 4.35 |
| Feb 1920 | 4.360001 |
| Mar 1920 | 4.24 |
| Apr 1920 | 3.98 |
| May 1920 | 4.0 |
| Jun 1920 | 3.879999 |
| Jul 1920 | 3.91 |
| Aug 1920 | 4.18 |
| Sep 1920 | 4.02 |
| Oct 1920 | 4.009999 |
| Nov 1920 | 4.06 |
| Dec 1920 | 3.879999 |
| Jan 1921 | 3.83 |
| Feb 1921 | 3.820001 |
| Mar 1921 | 3.86 |
| Apr 1921 | 3.87 |
| May 1921 | 3.99 |
| Jun 1921 | 3.92 |
| Jul 1921 | 3.92 |
| Aug 1921 | 3.940001 |
| Sep 1921 | 4.16 |
| Oct 1921 | 4.429999 |
| Nov 1921 | 4.419999 |
| Dec 1921 | 4.39 |
| Jan 1922 | 4.45 |
| Feb 1922 | 4.660001 |
| Mar 1922 | 4.920001 |
| Apr 1922 | 4.52 |
| May 1922 | 4.03 |
| Jun 1922 | 3.96 |
| Jul 1922 | 3.96 |
| Aug 1922 | 3.91 |
| Sep 1922 | 3.9 |
| Oct 1922 | 3.92 |
| Nov 1922 | 4.08 |
| Dec 1922 | 3.97 |
| Jan 1923 | 3.99 |
| Feb 1923 | 4.38 |
| Mar 1923 | 4.759999 |
| Apr 1923 | 4.259999 |
| May 1923 | 4.04 |
| Jun 1923 | 3.77 |
| Jul 1923 | 4.009999 |
| Aug 1923 | 4.009999 |
| Sep 1923 | 4.11 |
| Oct 1923 | 3.959999 |
| Nov 1923 | 3.82 |
| Dec 1923 | 3.96 |
| Jan 1924 | 3.93 |
| Feb 1924 | 4.17 |
| Mar 1924 | 4.27 |
| Apr 1924 | 3.96 |
| May 1924 | 3.92 |
| Jun 1924 | 3.99 |
| Jul 1924 | 4.17 |
| Aug 1924 | 4.06 |
| Sep 1924 | 4.17 |
| Oct 1924 | 4.12 |
| Nov 1924 | 3.97 |
| Dec 1924 | 4.16 |
| Jan 1925 | 4.589999 |
| Feb 1925 | 5.110001 |
| Mar 1925 | 4.859999 |
| Apr 1925 | 4.42 |
| May 1925 | 3.91 |
| Jun 1925 | 4.16 |
| Jul 1925 | 4.16 |
| Aug 1925 | 3.99 |
| Sep 1925 | 3.98 |
| Oct 1925 | 4.059999 |
| Nov 1925 | 3.87 |
| Dec 1925 | 3.94 |
| Jan 1926 | 4.17 |
| Feb 1926 | 4.0 |
| Mar 1926 | 3.97 |
| Apr 1926 | 4.309999 |
| May 1926 | 4.25 |
| Jun 1926 | 4.06 |
| Jul 1926 | 3.86 |
| Aug 1926 | 3.95 |
| Sep 1926 | 4.03 |
| Oct 1926 | 3.919999 |
| Nov 1926 | 3.91 |
| Dec 1926 | 4.04 |
| Jan 1927 | 4.309999 |
| Feb 1927 | 4.299999 |
| Mar 1927 | 4.37 |
| Apr 1927 | 4.08 |
| May 1927 | 3.96 |
| Jun 1927 | 3.75 |
| Jul 1927 | 3.9 |
| Aug 1927 | 4.05 |
| Sep 1927 | 4.06 |
| Oct 1927 | 3.99 |
| Nov 1927 | 4.02 |
| Dec 1927 | 3.92 |
| Jan 1928 | 4.24 |
| Feb 1928 | 4.24 |
| Mar 1928 | 4.07 |
| Apr 1928 | 3.950001 |
| May 1928 | 3.98 |
| Jun 1928 | 3.86 |
| Jul 1928 | 3.76 |
| Aug 1928 | 4.01 |
| Sep 1928 | 4.089999 |
| Oct 1928 | 4.2 |
| Nov 1928 | 4.26 |
| Dec 1928 | 4.27 |
| Jan 1929 | 4.21 |
| Feb 1929 | 4.06 |
| Mar 1929 | 4.0 |
| Apr 1929 | 3.929999 |
| May 1929 | 3.9 |
| Jun 1929 | 3.809999 |
| Jul 1929 | 4.11 |
| Aug 1929 | 3.96 |
| Sep 1929 | 3.97 |
| Oct 1929 | 4.07 |
| Nov 1929 | 4.099999 |
| Dec 1929 | 4.23 |
| Jan 1930 | 4.42 |
| Feb 1930 | 4.45 |
| Mar 1930 | 4.15 |
| Apr 1930 | 4.12 |
| May 1930 | 4.43 |
| Jun 1930 | 3.8 |
| Jul 1930 | 4.07 |
| Aug 1930 | 4.21 |
| Sep 1930 | 3.97 |
| Oct 1930 | 4.05 |
| Nov 1930 | 3.75 |
| Dec 1930 | 3.7 |
| Jan 1931 | 3.9 |
| Feb 1931 | 4.19 |
| Mar 1931 | 4.08 |
| Apr 1931 | 3.679999 |
| May 1931 | 3.940001 |
| Jun 1931 | 4.0 |
| Jul 1931 | 4.03 |
| Aug 1931 | 3.88 |
| Sep 1931 | 4.070001 |
| Oct 1931 | 4.0 |
| Nov 1931 | 3.99 |
| Dec 1931 | 4.11 |
| Jan 1932 | 4.46 |
| Feb 1932 | 4.73 |
| Mar 1932 | 4.469999 |
| Apr 1932 | 4.16 |
| May 1932 | 4.13 |
| Jun 1932 | 4.08 |
| Jul 1932 | 4.42 |
| Aug 1932 | 4.34 |
| Sep 1932 | 4.259999 |
| Oct 1932 | 4.21 |
| Nov 1932 | 4.17 |
| Dec 1932 | 4.39 |
| Jan 1933 | 4.299999 |
| Feb 1933 | 4.48 |
| Mar 1933 | 4.25 |
| Apr 1933 | 4.09 |
| May 1933 | 4.09 |
| Jun 1933 | 3.91 |
| Jul 1933 | 3.81 |
| Aug 1933 | 3.85 |
| Sep 1933 | 3.919999 |
| Oct 1933 | 4.07 |
| Nov 1933 | 4.17 |
| Dec 1933 | 4.33 |
| Jan 1934 | 4.309999 |
| Feb 1934 | 4.12 |
| Mar 1934 | 4.5 |
| Apr 1934 | 4.16 |
| May 1934 | 3.97 |
| Jun 1934 | 4.73 |
| Jul 1934 | 5.21 |
| Aug 1934 | 3.9 |
| Sep 1934 | 3.83 |
| Oct 1934 | 3.82 |
| Nov 1934 | 4.01 |
| Dec 1934 | 4.190001 |
| Jan 1935 | 4.26 |
| Feb 1935 | 4.099999 |
| Mar 1935 | 4.0 |
| Apr 1935 | 4.11 |
| May 1935 | 3.94 |
| Jun 1935 | 4.01 |
| Jul 1935 | 3.98 |
| Aug 1935 | 4.22 |
| Sep 1935 | 4.16 |
| Oct 1935 | 4.03 |
| Nov 1935 | 3.9 |
| Dec 1935 | 3.78 |
| Jan 1936 | 3.87 |
| Feb 1936 | 4.099999 |
| Mar 1936 | 4.08 |
| Apr 1936 | 3.89 |
| May 1936 | 4.01 |
| Jun 1936 | 3.86 |
| Jul 1936 | 3.8 |
| Aug 1936 | 3.86 |
| Sep 1936 | 3.91 |
| Oct 1936 | 3.950001 |
| Nov 1936 | 4.03 |
| Dec 1936 | 4.12 |
| Jan 1937 | 4.21 |
| Feb 1937 | 4.39 |
| Mar 1937 | 4.38 |
| Apr 1937 | 4.049999 |
| May 1937 | 4.34 |
| Jun 1937 | 3.95 |
| Jul 1937 | 3.96 |
| Aug 1937 | 4.12 |
| Sep 1937 | 3.96 |
| Oct 1937 | 4.08 |
| Nov 1937 | 4.26 |
| Dec 1937 | 4.190001 |
| Jan 1938 | 4.0 |
| Feb 1938 | 4.33 |
| Mar 1938 | 4.280001 |
| Apr 1938 | 3.929999 |
| May 1938 | 3.81 |
| Jun 1938 | 3.71 |
| Jul 1938 | 3.719999 |
| Aug 1938 | 3.9 |
| Sep 1938 | 3.900001 |
| Oct 1938 | 3.929999 |
| Nov 1938 | 4.12 |
| Dec 1938 | 4.15 |
| Jan 1939 | 4.299999 |
| Feb 1939 | 4.329999 |
| Mar 1939 | 4.38 |
| Apr 1939 | 4.45 |
| May 1939 | 4.22 |
| Jun 1939 | 4.02 |
| Jul 1939 | 3.940001 |
| Aug 1939 | 3.849999 |
| Sep 1939 | 3.95 |
| Oct 1939 | 3.98 |
| Nov 1939 | 4.36 |
| Dec 1939 | 4.4 |
| Jan 1940 | 4.37 |
| Feb 1940 | 4.37 |
| Mar 1940 | 4.11 |
| Apr 1940 | 4.089999 |
| May 1940 | 3.87 |
| Jun 1940 | 3.940001 |
| Jul 1940 | 3.92 |
| Aug 1940 | 4.0 |
| Sep 1940 | 4.11 |
| Oct 1940 | 3.98 |
| Nov 1940 | 3.870001 |
| Dec 1940 | 3.91 |
| Jan 1941 | 3.969999 |
| Feb 1941 | 4.17 |
| Mar 1941 | 4.36 |
| Apr 1941 | 4.24 |
| May 1941 | 4.01 |
| Jun 1941 | 4.02 |
| Jul 1941 | 3.84 |
| Aug 1941 | 3.97 |
| Sep 1941 | 3.990001 |
| Oct 1941 | 3.96 |
| Nov 1941 | 3.93 |
| Dec 1941 | 4.08 |
| Jan 1942 | 4.190001 |
| Feb 1942 | 4.18 |
| Mar 1942 | 4.23 |
| Apr 1942 | 4.08 |
| May 1942 | 3.89 |
| Jun 1942 | 3.94 |
| Jul 1942 | 3.86 |
| Aug 1942 | 3.83 |
| Sep 1942 | 4.0 |
| Oct 1942 | 3.9 |
| Nov 1942 | 4.13 |
| Dec 1942 | 4.19 |
| Jan 1943 | 4.35 |
| Feb 1943 | 4.42 |
| Mar 1943 | 3.99 |
| Apr 1943 | 3.86 |
| May 1943 | 3.91 |
| Jun 1943 | 3.93 |
| Jul 1943 | 3.94 |
| Aug 1943 | 3.809999 |
| Sep 1943 | 3.96 |
| Oct 1943 | 3.900001 |
| Nov 1943 | 3.940001 |
| Dec 1943 | 4.1 |
| Jan 1944 | 4.150001 |
| Feb 1944 | 4.25 |
| Mar 1944 | 4.17 |
| Apr 1944 | 4.0 |
| May 1944 | 3.98 |
| Jun 1944 | 3.94 |
| Jul 1944 | 3.809999 |
| Aug 1944 | 3.77 |
| Sep 1944 | 3.889999 |
| Oct 1944 | 3.88 |
| Nov 1944 | 3.849999 |
| Dec 1944 | 3.95 |
| Jan 1945 | 4.08 |
| Feb 1945 | 4.12 |
| Mar 1945 | 4.0 |
| Apr 1945 | 3.95 |
| May 1945 | 3.839999 |
| Jun 1945 | 3.76 |
| Jul 1945 | 3.79 |
| Aug 1945 | 3.86 |
| Sep 1945 | 3.91 |
| Oct 1945 | 3.87 |
| Nov 1945 | 3.82 |
| Dec 1945 | 3.93 |
| Jan 1946 | 4.21 |
| Feb 1946 | 4.01 |
| Mar 1946 | 3.84 |
| Apr 1946 | 3.820001 |
| May 1946 | 3.61 |
| Jun 1946 | 3.63 |
| Jul 1946 | 3.690001 |
| Aug 1946 | 3.879999 |
| Sep 1946 | 3.88 |
| Oct 1946 | 4.05 |
| Nov 1946 | 3.73 |
| Dec 1946 | 3.889999 |
| Jan 1947 | 4.21 |
| Feb 1947 | 4.45 |
| Mar 1947 | 4.150001 |
| Apr 1947 | 3.8 |
| May 1947 | 3.829999 |
| Jun 1947 | 3.72 |
| Jul 1947 | 3.629999 |
| Aug 1947 | 3.690001 |
| Sep 1947 | 3.85 |
| Oct 1947 | 3.79 |
| Nov 1947 | 4.25 |
| Dec 1947 | 4.47 |
| Jan 1948 | 4.64 |
| Feb 1948 | 4.27 |
| Mar 1948 | 3.989999 |
| Apr 1948 | 3.79 |
| May 1948 | 4.08 |
| Jun 1948 | 3.889999 |
| Jul 1948 | 3.73 |
| Aug 1948 | 3.860001 |
| Sep 1948 | 4.07 |
| Oct 1948 | 3.91 |
| Nov 1948 | 4.01 |
| Dec 1948 | 4.32 |
| Jan 1949 | 4.349999 |
| Feb 1949 | 4.13 |
| Mar 1949 | 3.93 |
| Apr 1949 | 4.02 |
| May 1949 | 3.94 |
| Jun 1949 | 4.04 |
| Jul 1949 | 3.849999 |
| Aug 1949 | 4.03 |
| Sep 1949 | 4.11 |
| Oct 1949 | 3.92 |
| Nov 1949 | 3.87 |
| Dec 1949 | 4.02 |
| Jan 1950 | 4.18 |
| Feb 1950 | 4.06 |
| Mar 1950 | 3.91 |
| Apr 1950 | 3.87 |
| May 1950 | 3.68 |
| Jun 1950 | 3.799999 |
| Jul 1950 | 3.85 |
| Aug 1950 | 3.81 |
| Sep 1950 | 3.8 |
| Oct 1950 | 3.82 |
| Nov 1950 | 3.87 |
| Dec 1950 | 3.76 |
| Jan 1951 | 3.93 |
| Feb 1951 | 4.11 |
| Mar 1951 | 4.13 |
| Apr 1951 | 4.179999 |
| May 1951 | 3.88 |
| Jun 1951 | 3.99 |
| Jul 1951 | 3.83 |
| Aug 1951 | 3.900001 |
| Sep 1951 | 3.99 |
| Oct 1951 | 3.969999 |
| Nov 1951 | 4.08 |
| Dec 1951 | 4.08 |
| Jan 1952 | 4.06 |
| Feb 1952 | 4.19 |
| Mar 1952 | 4.11 |
| Apr 1952 | 3.84 |
| May 1952 | 3.88 |
| Jun 1952 | 3.929999 |
| Jul 1952 | 3.829999 |
| Aug 1952 | 4.22 |
| Sep 1952 | 4.02 |
| Oct 1952 | 3.88 |
| Nov 1952 | 4.28 |
| Dec 1952 | 4.36 |
| Jan 1953 | 4.55 |
| Feb 1953 | 4.549999 |
| Mar 1953 | 4.48 |
| Apr 1953 | 4.19 |
| May 1953 | 3.76 |
| Jun 1953 | 3.91 |
| Jul 1953 | 3.78 |
| Aug 1953 | 4.07 |
| Sep 1953 | 4.199999 |
| Oct 1953 | 3.88 |
| Nov 1953 | 4.06 |
| Dec 1953 | 4.12 |
| Jan 1954 | 4.190001 |
| Feb 1954 | 4.32 |
| Mar 1954 | 4.32 |
| Apr 1954 | 4.1 |
| May 1954 | 3.839999 |
| Jun 1954 | 3.83 |
| Jul 1954 | 3.84 |
| Aug 1954 | 3.829999 |
| Sep 1954 | 3.97 |
| Oct 1954 | 3.74 |
| Nov 1954 | 4.14 |
| Dec 1954 | 4.03 |
| Jan 1955 | 4.18 |
| Feb 1955 | 4.09 |
| Mar 1955 | 4.01 |
| Apr 1955 | 3.86 |
| May 1955 | 3.84 |
| Jun 1955 | 3.73 |
| Jul 1955 | 3.77 |
| Aug 1955 | 3.81 |
| Sep 1955 | 3.77 |
| Oct 1955 | 3.76 |
| Nov 1955 | 3.8 |
| Dec 1955 | 3.820001 |
| Jan 1956 | 4.01 |
| Feb 1956 | 4.110001 |
| Mar 1956 | 3.969999 |
| Apr 1956 | 3.74 |
| May 1956 | 3.799999 |
| Jun 1956 | 3.87 |
| Jul 1956 | 3.9 |
| Aug 1956 | 3.7 |
| Sep 1956 | 3.799999 |
| Oct 1956 | 3.879999 |
| Nov 1956 | 4.07 |
| Dec 1956 | 4.15 |
| Jan 1957 | 4.190001 |
| Feb 1957 | 4.33 |
| Mar 1957 | 4.169999 |
| Apr 1957 | 4.21 |
| May 1957 | 4.2 |
| Jun 1957 | 4.27 |
| Jul 1957 | 4.39 |
| Aug 1957 | 3.64 |
| Sep 1957 | 3.740001 |
| Oct 1957 | 3.85 |
| Nov 1957 | 3.74 |
| Dec 1957 | 3.84 |
| Jan 1958 | 4.11 |
| Feb 1958 | 4.13 |
| Mar 1958 | 4.04 |
| Apr 1958 | 3.830001 |
| May 1958 | 3.85 |
| Jun 1958 | 3.82 |
| Jul 1958 | 3.88 |
| Aug 1958 | 3.97 |
| Sep 1958 | 3.97 |
| Oct 1958 | 3.85 |
| Nov 1958 | 4.13 |
| Dec 1958 | 4.37 |
| Jan 1959 | 4.37 |
| Feb 1959 | 4.629999 |
| Mar 1959 | 4.4 |
| Apr 1959 | 3.929999 |
| May 1959 | 3.79 |
| Jun 1959 | 3.679999 |
| Jul 1959 | 3.85 |
| Aug 1959 | 3.67 |
| Sep 1959 | 3.75 |
| Oct 1959 | 3.780001 |
| Nov 1959 | 3.709999 |
| Dec 1959 | 3.73 |
| Jan 1960 | 4.11 |
| Feb 1960 | 3.99 |
| Mar 1960 | 4.009999 |
| Apr 1960 | 3.860001 |
| May 1960 | 3.68 |
| Jun 1960 | 3.84 |
| Jul 1960 | 3.95 |
| Aug 1960 | 4.09 |
| Sep 1960 | 4.04 |
| Oct 1960 | 3.86 |
| Nov 1960 | 3.84 |
| Dec 1960 | 4.08 |
| Jan 1961 | 4.33 |
| Feb 1961 | 4.46 |
| Mar 1961 | 4.450001 |
| Apr 1961 | 4.22 |
| May 1961 | 4.02 |
| Jun 1961 | 3.88 |
| Jul 1961 | 4.03 |
| Aug 1961 | 4.04 |
| Sep 1961 | 4.07 |
| Oct 1961 | 3.889999 |
| Nov 1961 | 3.959999 |
| Dec 1961 | 4.26 |
| Jan 1962 | 4.17 |
| Feb 1962 | 4.26 |
| Mar 1962 | 4.35 |
| Apr 1962 | 4.280001 |
| May 1962 | 4.22 |
| Jun 1962 | 4.23 |
| Jul 1962 | 4.29 |
| Aug 1962 | 4.08 |
| Sep 1962 | 4.13 |
| Oct 1962 | 4.15 |
| Nov 1962 | 4.08 |
| Dec 1962 | 4.27 |
| Jan 1963 | 4.16 |
| Feb 1963 | 4.27 |
| Mar 1963 | 4.33 |
| Apr 1963 | 4.21 |
| May 1963 | 4.04 |
| Jun 1963 | 3.87 |
| Jul 1963 | 3.97 |
| Aug 1963 | 3.889999 |
| Sep 1963 | 3.95 |
| Oct 1963 | 3.99 |
| Nov 1963 | 3.9 |
| Dec 1963 | 3.91 |
| Jan 1964 | 4.049999 |
| Feb 1964 | 4.049999 |
| Mar 1964 | 4.190001 |
| Apr 1964 | 4.209999 |
| May 1964 | 3.97 |
| Jun 1964 | 3.8 |
| Jul 1964 | 3.85 |
| Aug 1964 | 3.84 |
| Sep 1964 | 3.83 |
| Oct 1964 | 4.089999 |
| Nov 1964 | 4.05 |
| Dec 1964 | 4.02 |
| Jan 1965 | 4.21 |
| Feb 1965 | 4.38 |
| Mar 1965 | 4.28 |
| Apr 1965 | 4.3 |
| May 1965 | 4.28 |
| Jun 1965 | 3.97 |
| Jul 1965 | 4.01 |
| Aug 1965 | 4.02 |
| Sep 1965 | 4.04 |
| Oct 1965 | 4.18 |
| Nov 1965 | 4.04 |
| Dec 1965 | 4.21 |
| Jan 1966 | 3.91 |
| Feb 1966 | 4.09 |
| Mar 1966 | 4.24 |
| Apr 1966 | 4.38 |
| May 1966 | 3.94 |
| Jun 1966 | 4.42 |
| Jul 1966 | 3.79 |
| Aug 1966 | 4.03 |
| Sep 1966 | 4.05 |
| Oct 1966 | 4.08 |
| Nov 1966 | 3.77 |
| Dec 1966 | 3.81 |
| Jan 1967 | 3.91 |
| Feb 1967 | 3.98 |
| Mar 1967 | 4.0 |
| Apr 1967 | 3.96 |
| May 1967 | 3.78 |
| Jun 1967 | 3.92 |
| Jul 1967 | 3.76 |
| Aug 1967 | 3.81 |
| Sep 1967 | 3.98 |
| Oct 1967 | 4.0 |
| Nov 1967 | 3.92 |
| Dec 1967 | 3.94 |
| Jan 1968 | 4.16 |
| Feb 1968 | 4.309999 |
| Mar 1968 | 4.27 |
| Apr 1968 | 4.289999 |
| May 1968 | 4.02 |
| Jun 1968 | 3.92 |
| Jul 1968 | 4.02 |
| Aug 1968 | 3.839999 |
| Sep 1968 | 3.91 |
| Oct 1968 | 3.86 |
| Nov 1968 | 4.03 |
| Dec 1968 | 3.959999 |
| Jan 1969 | 4.0 |
| Feb 1969 | 4.04 |
| Mar 1969 | 4.01 |
| Apr 1969 | 3.74 |
| May 1969 | 3.84 |
| Jun 1969 | 4.92 |
| Jul 1969 | 7.73 |
| Aug 1969 | 5.29 |
| Sep 1969 | 4.1 |
| Oct 1969 | 3.97 |
| Nov 1969 | 3.889999 |
| Dec 1969 | 3.950001 |
| Jan 1970 | 3.88 |
| Feb 1970 | 4.199999 |
| Mar 1970 | 4.259999 |
| Apr 1970 | 4.12 |
| May 1970 | 4.05 |
| Jun 1970 | 3.88 |
| Jul 1970 | 3.849999 |
| Aug 1970 | 3.88 |
| Sep 1970 | 3.89 |
| Oct 1970 | 3.74 |
| Nov 1970 | 3.9 |
| Dec 1970 | 3.89 |
| Jan 1971 | 4.059999 |
| Feb 1971 | 4.09 |
| Mar 1971 | 4.070001 |
| Apr 1971 | 4.04 |
| May 1971 | 3.96 |
| Jun 1971 | 3.99 |
| Jul 1971 | 4.15 |
| Aug 1971 | 4.05 |
| Sep 1971 | 4.03 |
| Oct 1971 | 3.889999 |
| Nov 1971 | 3.93 |
| Dec 1971 | 3.969999 |
| Jan 1972 | 4.14 |
| Feb 1972 | 4.25 |
| Mar 1972 | 4.36 |
| Apr 1972 | 4.27 |
| May 1972 | 4.23 |
| Jun 1972 | 4.3 |
| Jul 1972 | 4.1 |
| Aug 1972 | 4.23 |
| Sep 1972 | 4.309999 |
| Oct 1972 | 4.110001 |
| Nov 1972 | 3.94 |
| Dec 1972 | 3.99 |
| Jan 1973 | 4.129999 |
| Feb 1973 | 4.370001 |
| Mar 1973 | 4.2 |
| Apr 1973 | 4.05 |
| May 1973 | 3.96 |
| Jun 1973 | 4.03 |
| Jul 1973 | 3.98 |
| Aug 1973 | 3.93 |
| Sep 1973 | 3.88 |
| Oct 1973 | 3.95 |
| Nov 1973 | 3.940001 |
| Dec 1973 | 4.0 |
| Jan 1974 | 4.07 |
| Feb 1974 | 4.259999 |
| Mar 1974 | 4.35 |
| Apr 1974 | 4.31 |
| May 1974 | 4.23 |
| Jun 1974 | 4.03 |
| Jul 1974 | 4.04 |
| Aug 1974 | 4.07 |
| Sep 1974 | 4.11 |
| Oct 1974 | 3.990001 |
| Nov 1974 | 4.0 |
| Dec 1974 | 3.99 |
| Jan 1975 | 4.150001 |
| Feb 1975 | 3.95 |
| Mar 1975 | 3.83 |
| Apr 1975 | 3.82 |
| May 1975 | 3.839999 |
| Jun 1975 | 4.02 |
| Jul 1975 | 3.97 |
| Aug 1975 | 4.12 |
| Sep 1975 | 3.85 |
| Oct 1975 | 3.94 |
| Nov 1975 | 3.95 |
| Dec 1975 | 3.84 |
| Jan 1976 | 4.16 |
| Feb 1976 | 4.110001 |
| Mar 1976 | 3.919999 |
| Apr 1976 | 3.99 |
| May 1976 | 4.07 |
| Jun 1976 | 3.98 |
| Jul 1976 | 3.990001 |
| Aug 1976 | 4.02 |
| Sep 1976 | 3.98 |
| Oct 1976 | 3.92 |
| Nov 1976 | 3.95 |
| Dec 1976 | 4.03 |
| Jan 1977 | 3.9 |
| Feb 1977 | 3.889999 |
| Mar 1977 | 3.990001 |
| Apr 1977 | 3.93 |
| May 1977 | 3.85 |
| Jun 1977 | 3.92 |
| Jul 1977 | 4.69 |
| Aug 1977 | 4.01 |
| Sep 1977 | 3.97 |
| Oct 1977 | 3.92 |
| Nov 1977 | 3.92 |
| Dec 1977 | 3.98 |
| Jan 1978 | 3.870001 |
| Feb 1978 | 4.05 |
| Mar 1978 | 3.99 |
| Apr 1978 | 3.87 |
| May 1978 | 3.87 |
| Jun 1978 | 3.809999 |
| Jul 1978 | 3.98 |
| Aug 1978 | 4.04 |
| Sep 1978 | 4.13 |
| Oct 1978 | 3.95 |
| Nov 1978 | 3.93 |
| Dec 1978 | 3.9 |
| Jan 1979 | 3.829999 |
| Feb 1979 | 3.95 |
| Mar 1979 | 3.89 |
| Apr 1979 | 4.030001 |
| May 1979 | 3.95 |
| Jun 1979 | 3.9 |
| Jul 1979 | 4.04 |
| Aug 1979 | 4.03 |
| Sep 1979 | 4.07 |
| Oct 1979 | 3.969999 |
| Nov 1979 | 3.79 |
| Dec 1979 | 3.98 |
| Jan 1980 | 4.2 |
| Feb 1980 | 4.06 |
| Mar 1980 | 4.1 |
| Apr 1980 | 4.02 |
| May 1980 | 4.04 |
| Jun 1980 | 3.77 |
| Jul 1980 | 4.0 |
| Aug 1980 | 3.89 |
| Sep 1980 | 3.99 |
| Oct 1980 | 3.990001 |
| Nov 1980 | 4.08 |
| Dec 1980 | 4.08 |
| Jan 1981 | 4.04 |
| Feb 1981 | 3.969999 |
| Mar 1981 | 4.08 |
| Apr 1981 | 4.08 |
| May 1981 | 4.07 |
| Jun 1981 | 3.809999 |
| Jul 1981 | 3.8 |
| Aug 1981 | 3.91 |
| Sep 1981 | 4.08 |
| Oct 1981 | 4.049999 |
| Nov 1981 | 3.96 |
| Dec 1981 | 3.89 |
| Jan 1982 | 3.99 |
| Feb 1982 | 4.03 |
| Mar 1982 | 4.17 |
| Apr 1982 | 4.24 |
| May 1982 | 4.08 |
| Jun 1982 | 3.98 |
| Jul 1982 | 3.929999 |
| Aug 1982 | 3.95 |
| Sep 1982 | 3.99 |
| Oct 1982 | 3.96 |
| Nov 1982 | 3.8 |
| Dec 1982 | 3.77 |
| Jan 1983 | 3.85 |
| Feb 1983 | 4.0 |
| Mar 1983 | 3.849999 |
| Apr 1983 | 3.820001 |
| May 1983 | 3.77 |
| Jun 1983 | 4.08 |
| Jul 1983 | 3.87 |
| Aug 1983 | 3.98 |
| Sep 1983 | 4.04 |
| Oct 1983 | 3.98 |
| Nov 1983 | 4.03 |
| Dec 1983 | 4.099999 |
| Jan 1984 | 4.309999 |
| Feb 1984 | 4.16 |
| Mar 1984 | 4.16 |
| Apr 1984 | 3.97 |
| May 1984 | 3.76 |
| Jun 1984 | 3.99 |
| Jul 1984 | 3.99 |
| Aug 1984 | 3.94 |
| Sep 1984 | 4.05 |
| Oct 1984 | 4.0 |
| Nov 1984 | 3.820001 |
| Dec 1984 | 3.929999 |
| Jan 1985 | 3.7 |
| Feb 1985 | 3.739999 |
| Mar 1985 | 3.879999 |
| Apr 1985 | 3.82 |
| May 1985 | 3.85 |
| Jun 1985 | 3.849999 |
| Jul 1985 | 3.83 |
| Aug 1985 | 3.89 |
| Sep 1985 | 4.04 |
| Oct 1985 | 3.96 |
| Nov 1985 | 4.05 |
| Dec 1985 | 4.33 |
| Jan 1986 | 4.27 |
| Feb 1986 | 4.3 |
| Mar 1986 | 4.32 |
| Apr 1986 | 4.07 |
| May 1986 | 4.16 |
| Jun 1986 | 3.8 |
| Jul 1986 | 3.92 |
| Aug 1986 | 3.93 |
| Sep 1986 | 4.02 |
| Oct 1986 | 3.99 |
| Nov 1986 | 3.96 |
| Dec 1986 | 4.13 |
| Jan 1987 | 4.13 |
| Feb 1987 | 4.440001 |
| Mar 1987 | 4.339999 |
| Apr 1987 | 4.02 |
| May 1987 | 3.970001 |
| Jun 1987 | 3.91 |
| Jul 1987 | 3.96 |
| Aug 1987 | 3.99 |
| Sep 1987 | 4.02 |
| Oct 1987 | 4.04 |
| Nov 1987 | 3.95 |
| Dec 1987 | 3.98 |
| Jan 1988 | 4.06 |
| Feb 1988 | 4.18 |
| Mar 1988 | 4.03 |
| Apr 1988 | 4.04 |
| May 1988 | 4.0 |
| Jun 1988 | 3.83 |
| Jul 1988 | 3.8 |
| Aug 1988 | 3.85 |
| Sep 1988 | 3.89 |
| Oct 1988 | 3.91 |
| Nov 1988 | 3.81 |
| Dec 1988 | 3.95 |
| Jan 1989 | 4.14 |
| Feb 1989 | 4.27 |
| Mar 1989 | 4.209999 |
| Apr 1989 | 4.15 |
| May 1989 | 4.16 |
| Jun 1989 | 4.0 |
| Jul 1989 | 3.97 |
| Aug 1989 | 4.059999 |
| Sep 1989 | 4.08 |
| Oct 1989 | 4.03 |
| Nov 1989 | 4.06 |
| Dec 1989 | 4.23 |
| Jan 1990 | 4.26 |
| Feb 1990 | 4.280001 |
| Mar 1990 | 4.139999 |
| Apr 1990 | 4.21 |
| May 1990 | 4.05 |
| Jun 1990 | 3.83 |
| Jul 1990 | 3.97 |
| Aug 1990 | 3.9 |
| Sep 1990 | 3.9 |
| Oct 1990 | 3.81 |
| Nov 1990 | 3.79 |
| Dec 1990 | 3.76 |
| Jan 1991 | 3.929999 |
| Feb 1991 | 3.960001 |
| Mar 1991 | 3.959999 |
| Apr 1991 | 4.09 |
| May 1991 | 3.98 |
| Jun 1991 | 3.76 |
| Jul 1991 | 3.76 |
| Aug 1991 | 3.87 |
| Sep 1991 | 4.070001 |
| Oct 1991 | 3.97 |
| Nov 1991 | 3.88 |
| Dec 1991 | 3.879999 |
| Jan 1992 | 3.96 |
| Feb 1992 | 4.21 |
| Mar 1992 | 4.030001 |
| Apr 1992 | 3.97 |
| May 1992 | 3.889999 |
| Jun 1992 | 3.69 |
| Jul 1992 | 4.1 |
| Aug 1992 | 4.049999 |
| Sep 1992 | 3.950001 |
| Oct 1992 | 3.83 |
| Nov 1992 | 3.879999 |
| Dec 1992 | 3.88 |
| Jan 1993 | 4.14 |
| Feb 1993 | 4.08 |
| Mar 1993 | 4.2 |
| Apr 1993 | 4.17 |
| May 1993 | 4.27 |
| Jun 1993 | 3.969999 |
| Jul 1993 | 4.0 |
| Aug 1993 | 4.04 |
| Sep 1993 | 4.02 |
| Oct 1993 | 4.009999 |
| Nov 1993 | 4.110001 |
| Dec 1993 | 4.08 |
| Jan 1994 | 4.15 |
| Feb 1994 | 4.29 |
| Mar 1994 | 4.2 |
| Apr 1994 | 4.139999 |
| May 1994 | 4.23 |
| Jun 1994 | 4.54 |
| Jul 1994 | 4.18 |
| Aug 1994 | 4.110001 |
| Sep 1994 | 4.08 |
| Oct 1994 | 4.120001 |
| Nov 1994 | 4.14 |
| Dec 1994 | 4.09 |
| Jan 1995 | 4.259999 |
| Feb 1995 | 4.250001 |
| Mar 1995 | 4.2 |
| Apr 1995 | 4.24 |
| May 1995 | 3.87 |
| Jun 1995 | 3.74 |
| Jul 1995 | 3.85 |
| Aug 1995 | 3.91 |
| Sep 1995 | 3.94 |
| Oct 1995 | 3.92 |
| Nov 1995 | 3.9 |
| Dec 1995 | 3.889999 |
| Jan 1996 | 4.190001 |
| Feb 1996 | 4.009999 |
| Mar 1996 | 3.97 |
| Apr 1996 | 3.98 |
| May 1996 | 4.04 |
| Jun 1996 | 3.92 |
| Jul 1996 | 3.89 |
| Aug 1996 | 3.929999 |
| Sep 1996 | 3.82 |
| Oct 1996 | 3.76 |
| Nov 1996 | 3.62 |
| Dec 1996 | 3.76 |
| Jan 1997 | 3.89 |
| Feb 1997 | 3.990001 |
| Mar 1997 | 3.81 |
| Apr 1997 | 3.87 |
| May 1997 | 3.84 |
| Jun 1997 | 3.77 |
| Jul 1997 | 3.78 |
| Aug 1997 | 3.85 |
| Sep 1997 | 3.93 |
| Oct 1997 | 3.91 |
| Nov 1997 | 3.8 |
| Dec 1997 | 3.75 |
| Jan 1998 | 3.78 |
| Feb 1998 | 4.120001 |
| Mar 1998 | 4.179999 |
| Apr 1998 | 3.8 |
| May 1998 | 3.79 |
| Jun 1998 | 3.740001 |
| Jul 1998 | 4.25 |
| Aug 1998 | 3.91 |
| Sep 1998 | 3.88 |
| Oct 1998 | 3.84 |
| Nov 1998 | 3.97 |
| Dec 1998 | 4.03 |
| Jan 1999 | 4.189999 |
| Feb 1999 | 4.469999 |
| Mar 1999 | 4.46 |
| Apr 1999 | 4.199999 |
| May 1999 | 4.05 |
| Jun 1999 | 4.18 |
| Jul 1999 | 3.9 |
| Aug 1999 | 3.96 |
| Sep 1999 | 4.02 |
| Oct 1999 | 4.02 |
| Nov 1999 | 4.03 |
| Dec 1999 | 4.059999 |
| Jan 2000 | 4.12 |
| Feb 2000 | 4.279999 |
| Mar 2000 | 4.25 |
| Apr 2000 | 4.37 |
| May 2000 | 4.16 |
| Jun 2000 | 4.01 |
| Jul 2000 | 3.97 |
| Aug 2000 | 3.92 |
| Sep 2000 | 3.96 |
| Oct 2000 | 3.96 |
| Nov 2000 | 3.89 |
| Dec 2000 | 4.07 |
| Jan 2001 | 4.34 |
| Feb 2001 | 4.379999 |
| Mar 2001 | 4.33 |
| Apr 2001 | 4.26 |
| May 2001 | 4.11 |
| Jun 2001 | 3.99 |
| Jul 2001 | 3.86 |
| Aug 2001 | 3.82 |
| Sep 2001 | 3.839999 |
| Oct 2001 | 3.97 |
| Nov 2001 | 4.07 |
| Dec 2001 | 4.15 |
| Jan 2002 | 4.02 |
| Feb 2002 | 4.089999 |
| Mar 2002 | 4.200001 |
| Apr 2002 | 3.87 |
| May 2002 | 3.91 |
| Jun 2002 | 3.82 |
| Jul 2002 | 3.78 |
| Aug 2002 | 4.02 |
| Sep 2002 | 4.11 |
| Oct 2002 | 4.02 |
| Nov 2002 | 3.99 |
| Dec 2002 | 4.099999 |
| Jan 2003 | 4.14 |
| Feb 2003 | 4.36 |
| Mar 2003 | 4.35 |
| Apr 2003 | 4.08 |
| May 2003 | 4.0 |
| Jun 2003 | 3.91 |
| Jul 2003 | 3.809999 |
| Aug 2003 | 3.950001 |
| Sep 2003 | 4.05 |
| Oct 2003 | 4.099999 |
| Nov 2003 | 4.06 |
| Dec 2003 | 4.009999 |
| Jan 2004 | 4.03 |
| Feb 2004 | 4.14 |
| Mar 2004 | 4.04 |
| Apr 2004 | 4.2 |
| May 2004 | 4.21 |
| Jun 2004 | 5.52 |
| Jul 2004 | 4.1 |
| Aug 2004 | 4.09 |
| Sep 2004 | 4.08 |
| Oct 2004 | 4.070001 |
| Nov 2004 | 4.04 |
| Dec 2004 | 4.19 |
| Jan 2005 | 4.360001 |
| Feb 2005 | 4.37 |
| Mar 2005 | 4.37 |
| Apr 2005 | 4.31 |
| May 2005 | 3.98 |
| Jun 2005 | 4.079999 |
| Jul 2005 | 4.02 |
| Aug 2005 | 3.94 |
| Sep 2005 | 4.03 |
| Oct 2005 | 3.93 |
| Nov 2005 | 3.85 |
| Dec 2005 | 3.83 |
| Jan 2006 | 3.900001 |
| Feb 2006 | 4.049999 |
| Mar 2006 | 4.2 |
| Apr 2006 | 4.26 |
| May 2006 | 4.02 |
| Jun 2006 | 4.02 |
| Jul 2006 | 4.06 |
| Aug 2006 | 4.05 |
| Sep 2006 | 4.059999 |
| Oct 2006 | 4.03 |
| Nov 2006 | 3.89 |
| Dec 2006 | 3.83 |
| Jan 2007 | 4.099999 |
| Feb 2007 | 4.19 |
| Mar 2007 | 4.129999 |
| Apr 2007 | 4.11 |
| May 2007 | 3.99 |
| Jun 2007 | 3.89 |
| Jul 2007 | 4.15 |
| Aug 2007 | 3.99 |
| Sep 2007 | 4.03 |
| Oct 2007 | 4.0 |
| Nov 2007 | 4.24 |
| Dec 2007 | 4.26 |
| Jan 2008 | 4.33 |
| Feb 2008 | 4.459999 |
| Mar 2008 | 4.429999 |
| Apr 2008 | 4.23 |
| May 2008 | 4.11 |
| Jun 2008 | 3.97 |
| Jul 2008 | 3.98 |
| Aug 2008 | 4.02 |
| Sep 2008 | 4.09 |
| Oct 2008 | 3.950001 |
| Nov 2008 | 3.86 |
| Dec 2008 | 4.09 |
| Jan 2009 | 4.05 |
| Feb 2009 | 4.09 |
| Mar 2009 | 4.15 |
| Apr 2009 | 4.27 |
| May 2009 | 4.22 |
| Jun 2009 | 4.160001 |
| Jul 2009 | 6.38 |
| Aug 2009 | 3.99 |
| Sep 2009 | 4.0 |
| Oct 2009 | 4.0 |
| Nov 2009 | 3.87 |
| Dec 2009 | 3.86 |
| Jan 2010 | 4.06 |
| Feb 2010 | 4.08 |
| Mar 2010 | 3.89 |
| Apr 2010 | 3.91 |
| May 2010 | 4.03 |
| Jun 2010 | 5.59 |
| Jul 2010 | 4.04 |
| Aug 2010 | 3.990001 |
| Sep 2010 | 4.05 |
| Oct 2010 | 4.05 |
| Nov 2010 | 3.96 |
| Dec 2010 | 4.25 |
| Jan 2011 | 4.27 |
| Feb 2011 | 4.360001 |
| Mar 2011 | 4.21 |
| Apr 2011 | 4.02 |
| May 2011 | 3.96 |
| Jun 2011 | 4.72 |
| Jul 2011 | 3.86 |
| Aug 2011 | 3.84 |
| Sep 2011 | 3.96 |
| Oct 2011 | 3.969999 |
| Nov 2011 | 3.83 |
| Dec 2011 | 3.68 |
| Jan 2012 | 3.98 |
| Feb 2012 | 4.209999 |
| Mar 2012 | 4.02 |
| Apr 2012 | 4.03 |
| May 2012 | 3.89 |
| Jun 2012 | 5.78 |
| Jul 2012 | 3.96 |
| Aug 2012 | 3.98 |
| Sep 2012 | 4.03 |
| Oct 2012 | 3.97 |
| Nov 2012 | 3.89 |
| Dec 2012 | 3.94 |
| Jan 2013 | 3.98 |
| Feb 2013 | 4.099999 |
| Mar 2013 | 4.14 |
| Apr 2013 | 4.089999 |
| May 2013 | 4.05 |
| Jun 2013 | 4.41 |
| Jul 2013 | 3.96 |
| Aug 2013 | 3.96 |
| Sep 2013 | 4.099999 |
| Oct 2013 | 4.0 |
| Nov 2013 | 4.02 |
| Dec 2013 | 4.19 |
| Jan 2014 | 4.5 |
| Feb 2014 | 4.67 |
| Mar 2014 | 4.23 |
| Apr 2014 | 4.13 |
| May 2014 | 3.97 |
| Jun 2014 | 3.99 |
| Jul 2014 | 4.12 |
| Aug 2014 | 4.1 |
| Sep 2014 | 4.02 |
| Oct 2014 | 4.07 |
| Nov 2014 | 3.91 |
| Dec 2014 | 4.13 |
| Jan 2015 | 4.309999 |
| Feb 2015 | 4.190001 |
| Mar 2015 | 4.25 |
| Apr 2015 | 4.04 |
| May 2015 | 3.940001 |