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 -0.670030460428661
1828 -0.463273617889884
1829 0.783823472121752
1830 1.71267608170435
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1857 1.08331956192066
1858 1.58931481301409
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1860 0.426558771209062
1861 0.176260762740665
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1865 0.913688759138235
1866 -1.19521119383918
1867 -0.6825170432636
1868 1.12594072123391
1869 -1.42232292388323
1870 NA
1871 NA
1872 NA
1873 NA
1874 NA
1875 NA
1876 NA
1877 NA
1878 NA
1879 -0.126559388293886
1880 0.518339905501804
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1882 1.40303033781375
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1905 1.10467330629348
1906 1.05757978722122
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1912 -0.547181891218894
1913 -0.614301090360331
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1916 0.28802552631759
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1919 -1.46791594882403
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1932 0.82898012739947
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1934 -0.848396844423136
1935 -0.143072337295723
1936 0.108937599839989
1937 -0.707603975908184
1938 -0.701317928614168
1939 0.407012275547965
1940 0.227393186518598
1941 0.392300047589572
1942 -0.841890295826118
1943 -1.43745829418894
1944 -0.132056921741263
1945 1.0273890021006
1946 0.801934502544779
1947 0.0617477994101022
1948 -0.351972675779403
1949 0.00873866745921747
1950 -0.232192796516314
1951 -0.271755946176687
1952 1.38688113325817
1953 1.75068100429562
1954 0.508760053368864
1955 0.222305020020542
1956 1.60488384293086
1957 -0.881087994630824
1958 0.267901321689667
1959 0.372613241722269
1960 0.69689472943898
1961 -0.204149513822163
1962 -0.933953889286013
1963 -0.571464852822539
1964 -0.758241384308837
1965 0.0300161859037388
1966 0.402113208243715
1967 -0.487078587074274
1968 -0.45734309582612
1969 0.00873866745921747
1970 0.0511950177194251
1971 1.48306964734096
1972 -0.445506706891653
1973 -1.51407968308257
1974 0.145309938040677
1975 0.267901321689667
1976 -0.547181891218895
1977 1.07046548624181
1978 0.532674490348853
1979 -1.20232918594965
1980 2.02076414167557
1981 1.21016535832874
1982 -1.29609088634396
1983 0.0193898378880458
1984 0.232475838947638
1985 -1.31806105553149
1986 0.257806936981363
1987 -0.294524802119756
1988 -0.907433682718916
1989 -1.49092533952189
1990 0.342930168288224
1991 -1.49092533952189
1992 0.191659337500386
1993 0.455730650539771
1994 1.02306172879021
1995 2.14242584514727
1996 0.416795451381895
1997 3.57213269452208
1998 -0.6825170432636
1999 0.966476659120415
2000 -0.0719519767087266
2001 0.997022213086378
2002 -0.0556982769384273
2003 -0.334658457540781
2004 1.23101469601761
2005 -1.52959759861014
2006 0.664483754492339
2007 1.94434724241915
2008 -1.36982887498605
2009 -1.08307334453722
2010 0.134946973789683
2011 -0.0126387525149931
2012 -0.739179061479379
2013 0.659836334607132
2014 2.21634849616505
2015 NA
2016 NA
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
