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 0.219991153608313
1905 -0.106025726392339
1906 -0.844976698444026
1907 -0.0412741322685447
1908 -1.14205884471963
1909 -1.10941017221023
1910 1.61133964832153
1911 -0.696521969470021
1912 -0.813499725003686
1913 -1.47613448650726
1914 1.75403732101875
1915 0.275475988026637
1916 0.303088908541227
1917 -0.543075907154953
1918 0.419499438855307
1919 -0.106025726392339
1920 -0.996171455915411
1921 -1.51033488867205
1922 0.857756350106849
1923 -1.08501046361698
1924 -0.0988071495720596
1925 -0.482477791180046
1926 -0.156725418531345
1927 1.26377553839946
1928 -0.273745247853678
1929 -0.362573680695489
1930 0.896578448825393
1931 0.641261636652283
1932 -0.019797210766333
1933 -0.72755426485373
1934 -0.384926595089923
1935 -0.120480990777673
1936 0.641261636652283
1937 0.399066167164176
1938 -0.429810219374839
1939 -0.355135778514004
1940 0.378586201071914
1941 -0.0269502904264568
1942 -1.58783936820697
1943 0.247776972923028
1944 4.01921286573529
1945 -0.634803772975861
1946 0.980140513698301
1947 -0.650190372376555
1948 0.213031051575532
1949 -1.81621258713143
1950 1.20772590026273
1951 0.838284088250956
1952 0.786156438843654
1953 -0.535477162862063
1954 1.42997572453821
1955 1.26998292741999
1956 0.805738845082827
1957 0.0443175399704249
1958 -0.619445576800844
1959 -1.13388421168659
1960 0.74030146482893
1961 -0.127717704854682
1962 -0.370018107516792
1963 -0.0699929042763537
1964 -2.96140052849662
1965 -0.200421046348692
1966 -0.0126500083381723
1967 -0.837096120663664
1968 1.8187540415519
1969 -1.19128270107436
1970 0.547843605459114
1971 -1.93301119701241
1972 -0.619445576800844
1973 -0.588813849656283
1974 -0.00342450426726908
1975 -0.179040711056679
1976 0.639449127170335
1977 0.380472315756224
1978 0.529816905948658
1979 -0.440077138289213
1980 1.24887370201827
1981 1.17704512261524
1982 0.631437900799368
1983 -0.214450707280699
1984 -1.24591435762018
1985 -0.0909529657063241
1986 0.33977113224642
1987 1.30006245241496
1988 0.820938734547748
1989 -1.7923023215123
1990 2.06035504416303
1991 0.589172758633315
1992 0.773281184804974
1993 0.88878825170705
1994 -0.569794596054699
1995 0.31572083817758
1996 0.273304738454686
1997 0.121258773013131
1998 -0.210546404766918
1999 0.715082072596421
2000 -0.180766956137534
2001 1.23998238345936
2002 1.1606881544326
2003 -1.22233452847351
2004 1.16357525862447
2005 -1.28566162676671
2006 0.267424487432963
2007 1.19995249392434
2008 0.104850267127212
2009 -1.82241158052798
2010 -1.1353386867249
2011 -1.38472682435716
2012 -1.25117764250958
2013 -0.0404713726485685
2014 -0.871345021393106
2015 0.604116226354474
2016 0.560096030525071
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
