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 1.73865346515103
1901 0.123420114464474
1902 -0.699461024513347
1903 -0.564945818768923
1904 -0.765891523033676
1905 -0.681586783636795
1906 0.361145644296136
1907 0.324782494735715
1908 -0.690511144379225
1909 0.876892161147654
1910 -0.832223522693176
1911 -0.142370824226118
1912 -0.964508436688681
1913 -0.785794680292221
1914 0.324782494735715
1915 1.28710365414286
1916 0.0869822310543225
1917 1.06310134978048
1918 -0.879370351935323
1919 -0.00516043217330527
1920 2.3686655929871
1921 -0.552087278096443
1922 -0.268210219525792
1923 1.75758879124264
1924 0.765738188417266
1925 NA
1926 NA
1927 0.442510614139594
1928 -0.262981842048782
1929 -0.3396000480283
1930 -0.00879916322994449
1931 -0.428983844104201
1932 0.35236257541614
1933 -1.18613257184004
1934 -1.888058070387
1935 -0.42075731735654
1936 NA
1937 -0.287889074191112
1938 -0.0307105993910078
1939 1.19621961102398
1940 1.93608320999546
1941 1.47432906528597
1942 0.710998980512434
1943 -1.85622568513497
1944 0.954077457776275
1945 -0.287889074191112
1946 1.64119650351712
1947 1.77017019770347
1948 1.34436335525966
1949 NA
1950 -1.21795873294761
1951 -1.16860373541335
1952 -0.553513461770623
1953 0.270128414453718
1954 NA
1955 0.323675063364604
1956 0.935152836251403
1957 -0.129785739531243
1958 NA
1959 -1.23400664475536
1960 NA
1961 0.128095118235962
1962 -0.498355066578311
1963 -1.79595188329095
1964 -2.23949266090412
1965 NA
1966 0.073963523387455
1967 0.610533478399055
1968 0.377558965761596
1969 -0.726465680158489
1970 0.538964409233018
1971 NA
1972 NA
1973 NA
1974 1.33573530152044
1975 0.971036280061677
1976 0.430685508113503
1977 NA
1978 NA
1979 0.443583810561145
1980 NA
1981 1.26434024975879
1982 1.00847767444617
1983 -0.79810708107297
1984 -1.90412805346445
1985 -1.24296165678713
1986 NA
1987 0.734977034803361
1988 1.24586746084165
1989 -0.668247683794909
1990 -1.21795873294761
1991 -1.7981587743838
1992 -0.64173800970163
1993 0.0585166241782934
1994 0.164123610630101
1995 -0.0503024732678436
1996 NA
1997 -0.385344634441009
1998 0.388461707324317
1999 0.610533478399055
2000 0.724554231884674
2001 -0.672184232080863
2002 NA
2003 1.07715184098298
2004 -1.22953975731355
2005 0.150695373127123
2006 1.57703637595405
2007 -0.56377212472197
2008 -0.941022911953678
2009 -0.330725987141459
2010 NA
2011 1.58901275570327
2012 -0.65991728901588
2013 NA
2014 NA
2015 -0.971343741798819
2016 -1.51043651238353
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
