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 -0.0417168296526122
1897 -0.416625134225222
1898 -0.190587154325463
1899 -0.0909745619389505
1900 -0.92590268260945
1901 -1.92908671012843
1902 1.35318774298137
1903 -0.154840809148299
1904 -0.559125428652501
1905 -1.18017677477783
1906 -0.620079381110231
1907 -0.4987429929298
1908 0.19935592645938
1909 0.273408085682685
1910 -0.958128783694229
1911 -1.13013225912478
1912 -0.89384268451599
1913 0.313469971635015
1914 -1.23063731422783
1915 -0.5591254286525
1916 -0.697097369112007
1917 2.39065641143966
1918 -1.99611523654914
1919 -1.06403829312048
1920 0.432297527485786
1921 -1.95771544481226
1922 -0.183422552956798
1923 0.464952212938157
1924 -0.140595634795925
1925 -0.112195835992372
1926 -0.233737423066557
1927 0.458433333230682
1928 2.47142532398804
1929 0.246571440389371
1930 1.10071008985911
1931 0.0833251720207811
1932 0.138172019700462
1933 1.31265481032646
1934 -0.673894145954596
1935 -0.190587154325463
1936 -0.574309787723111
1937 -0.528863643775487
1938 0.529813422883509
1939 0.683116793906693
1940 -0.431478779237524
1941 -1.21377035674119
1942 -1.34143927667949
1943 -0.846059323686343
1944 -0.58953008417901
1945 0.43884055137795
1946 0.695745671166146
1947 -0.98240871655964
1948 0.41919324593191
1949 2.05948193080398
1950 -0.409210971929119
1951 0.01414164630645
1952 -1.08873996575447
1953 1.27774005566086
1954 0.574866952954473
1955 -0.822303665485442
1956 -1.49833525149489
1957 0.386325479828928
1958 -0.822303665485443
1959 -0.885853379383436
1960 -0.112195835992373
1961 -0.673894145954596
1962 0.43884055137795
1963 0.980325244365419
1964 1.58079619369201
1965 2.65037603795814
1966 -1.56049442966752
1967 0.212878971681473
1968 1.14239062120593
1969 -1.00678431454181
1970 -0.597153778346874
1971 -0.909852059478157
1972 0.555593130240568
1973 -0.990523238211032
1974 -0.133484397807579
1975 0.516888485968943
1976 1.75273106609606
1977 -0.846059323686343
1978 -1.79736776162442
1979 0.00718445407969664
1980 -0.350198247171088
1981 0.523353889701067
1982 0.919392572372704
1983 -0.335527663618482
1984 -0.4987429929298
1985 0.340050680515236
1986 0.536267099562437
1987 1.15425697099427
1988 1.61436906873478
1989 -0.320889734425071
1990 0.802211493036458
1991 -0.506260018038942
1992 -0.0909745619389496
1993 -0.933943548636064
1994 -0.298993654049784
1995 -0.806516335033567
1996 -0.627739516397586
1997 -0.61242839859826
1998 1.27190532541956
1999 1.18384125557818
2000 1.70320019857667
2001 -0.885853379383436
2002 0.714647699181383
2003 -0.998648425402436
2004 0.998507633742463
2005 0.32677296254314
2006 0.00718445407969664
2007 0.01414164630645
2008 -0.438918312222979
2009 1.25437420176454
2010 -0.306284270341191
2011 1.72525224731166
2012 -0.461288057217272
2013 1.27190532541956
2014 0.626011380658344
2015 2.51651898653301
2016 -1.15510306818168
2017 -1.08873996575447
2018 0.246571440389372
2019 1.24266424977929
2020 0.0418994205030456
2021 NA
