1780 NA
1781 NA
1782 NA
1783 NA
1784 NA
1785 NA
1786 NA
1787 NA
1788 NA
1789 NA
1790 NA
1791 NA
1792 NA
1793 NA
1794 NA
1795 NA
1796 NA
1797 NA
1798 NA
1799 NA
1800 NA
1801 NA
1802 NA
1803 NA
1804 NA
1805 NA
1806 NA
1807 NA
1808 NA
1809 NA
1810 NA
1811 NA
1812 NA
1813 NA
1814 NA
1815 NA
1816 NA
1817 NA
1818 NA
1819 NA
1820 NA
1821 NA
1822 NA
1823 NA
1824 NA
1825 NA
1826 NA
1827 NA
1828 NA
1829 NA
1830 NA
1831 NA
1832 NA
1833 NA
1834 NA
1835 NA
1836 NA
1837 NA
1838 NA
1839 NA
1840 NA
1841 NA
1842 NA
1843 NA
1844 NA
1845 NA
1846 NA
1847 NA
1848 NA
1849 NA
1850 NA
1851 NA
1852 NA
1853 NA
1854 NA
1855 NA
1856 NA
1857 NA
1858 NA
1859 NA
1860 NA
1861 NA
1862 NA
1863 NA
1864 NA
1865 NA
1866 NA
1867 NA
1868 NA
1869 NA
1870 NA
1871 NA
1872 NA
1873 NA
1874 NA
1875 NA
1876 NA
1877 NA
1878 NA
1879 NA
1880 NA
1881 NA
1882 NA
1883 NA
1884 NA
1885 NA
1886 NA
1887 NA
1888 NA
1889 NA
1890 NA
1891 NA
1892 NA
1893 NA
1894 NA
1895 NA
1896 NA
1897 NA
1898 NA
1899 NA
1900 NA
1901 NA
1902 NA
1903 NA
1904 0.572695167078253
1905 -0.703520295770425
1906 0.682169114742032
1907 0.598592017979879
1908 0.0285648792192388
1909 0.139187620719453
1910 2.19049745125531
1911 -0.269935981260334
1912 0.084080785905754
1913 0.598592017979879
1914 1.30919432809753
1915 -0.133396143157314
1916 1.43833991037213
1917 0.22109791305833
1918 -0.938732534494242
1919 0.248205134549169
1920 1.14788662642712
1921 -2.37734371085824
1922 0.52716731336608
1923 -0.634478954530755
1924 1.47321670052441
1925 -1.37521665441923
1926 2.19049745125531
1927 1.20200890530121
1928 -0.190575781525876
1929 -0.269935981260334
1930 0.111684842685197
1931 0.675771649132411
1932 0.688561376186303
1933 0.859225193591888
1934 -0.313591489847068
1935 1.35638905952131
1936 1.38574995611213
1937 0.91530832256363
1938 0.234663651916155
1939 0.726806280278609
1940 0.964832340700776
1941 0.000651012230593726
1942 -0.490907818371741
1943 -0.657417347158834
1944 -0.573672606387231
1945 0.0771638317655167
1946 0.572695167078253
1947 -2.05670801050861
1948 0.840442886579721
1949 -2.03780256199631
1950 -1.22377145782603
1951 0.764866616940472
1952 -0.781040941838695
1953 0.637276937597148
1954 0.989480354203001
1955 0.428697285523696
1956 0.771192227067106
1957 -0.0343895412445802
1958 -0.46850178420969
1959 -1.14931920280626
1960 0.0909913486122204
1961 -0.498392178233014
1962 -0.859436309738978
1963 -0.505884414875031
1964 -1.15755101128644
1965 1.95795690595014
1966 0.733162423221923
1967 0.422087717091734
1968 -0.820127680703783
1969 -0.898970133317806
1970 0.902879365180582
1971 -1.37521665441923
1972 -2.18102220132048
1973 -0.765467649924911
1974 -0.169739303919314
1975 0.772861344924395
1976 -2.00016318961364
1977 -0.261366745645044
1978 0.14606131816241
1979 0.571826131092975
1980 0.755609462005938
1981 0.396076827838548
1982 0.832258734195989
1983 0.20199684884578
1984 -0.239250928196365
1985 -0.715773186989931
1986 0.698599517352795
1987 1.87527034337051
1988 -0.105497399580247
1989 -1.58716543142738
1990 -0.649778195936256
1991 0.150530650277954
1992 -0.891211521778811
1993 -0.20573887187696
1994 0.106902827848661
1995 0.801422040781875
1996 -1.43396221627364
1997 -0.0368626493956385
1998 -1.69791134133048
1999 2.69485902896805
2000 0.208310298439294
2001 0.584618403791009
2002 -0.479725875121094
2003 -2.00854648082705
2004 -1.12107020837299
2005 -0.8454482688059
2006 -0.704715319166517
2007 -1.10368388098555
2008 -0.626437658765191
2009 -0.649640491883092
2010 0.139022904133736
2011 -1.28971347395972
2012 0.492832192136982
2013 0.852787850488063
2014 -0.414671851138379
2015 -0.406986271848324
2016 1.36025889050181
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
