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 -0.0847338103633925
1892 0.106194534478002
1893 -0.14429795596224
1894 -0.711198744690476
1895 0.106194534478002
1896 -0.184641948137386
1897 1.10088856057954
1898 1.05841277504974
1899 0.106194534478002
1900 -0.440678378919353
1901 1.15682279960531
1902 -0.292052773313268
1903 -0.711198744690476
1904 -0.555504864671917
1905 NA
1906 -0.104464383000988
1907 0.106194534478002
1908 -1.12390922032115
1909 -0.832613258937165
1910 -0.994379347568727
1911 0.106194534478002
1912 -1.14661258757357
1913 -0.487418008614272
1914 -0.266931772547688
1915 0.898584282551788
1916 0.39054532718653
1917 1.05841277504974
1918 2.53549261612359
1919 -0.462843261846896
1920 0.838774544805322
1921 -0.164405083485829
1922 -0.832613258937165
1923 -0.292052773313268
1924 -0.711198744690476
1925 -0.644108030216352
1926 2.0873119329732
1927 -0.292052773313268
1928 -0.355775103549207
1929 0.0688941376337063
1930 0.179557667449798
1931 -0.416486435129371
1932 1.15682279960531
1933 -1.71441134335551
1934 -1.78392027155357
1935 -0.576245096040912
1936 -0.576245096040912
1937 -0.587831993231002
1938 0.928140695784912
1939 1.26640041549965
1940 1.65322644073479
1941 1.50273173141283
1942 1.42543726868529
1943 -0.779927679890659
1944 -1.10140338302407
1945 -0.847853305467542
1946 2.81317732689851
1947 0.868797189515074
1948 2.32726064705623
1949 -1.465243695064
1950 -1.11544661780678
1951 -0.70151641655971
1952 -1.34515610361454
1953 -0.757651280825271
1954 0.700618422519139
1955 0.653397286272629
1956 2.17598016765448
1957 1.22565693117072
1958 0.39054532718653
1959 -0.980966840431821
1960 0.251347885823238
1961 0.573310538560207
1962 0.407557411787362
1963 0.0688941376337063
1964 NA
1965 0.233542973561069
1966 1.60364566002451
1967 -0.246153307677078
1968 1.73865492944096
1969 -0.0847338103633925
1970 1.65322644073479
1971 -1.169517943306
1972 -1.47173172678936
1973 -1.09301373625858
1974 -0.372996450164529
1975 -0.394662598037812
1976 -0.383809997421057
1977 -1.36372966646128
1978 -0.986323733510029
1979 0.507934741202051
1980 -0.246153307677078
1981 2.3590666184591
1982 0.251347885823238
1983 -0.0456351671572158
1984 NA
1985 -0.379479912516493
1986 -0.164405083485829
1987 1.39935229475831
1988 0.4914019607019
1989 -1.24245091630391
1990 -0.580874280502645
1991 -0.792381079808975
1992 -0.532632516903933
1993 -0.521263280814382
1994 1.07262234287383
1995 -0.164405083485829
1996 -0.832613258937165
1997 -0.494155924497413
1998 0.637520563015661
1999 0.251347885823238
2000 -0.14429795596224
2001 -0.532632516903933
2002 NA
2003 1.75072417171013
2004 -0.5463343463165
2005 -0.730663948319413
2006 -0.842763872244972
2007 -0.462843261846896
2008 0.42448706219183
2009 -1.13807539722517
2010 -0.205010753994692
2011 0.4914019607019
2012 -0.53993213997635
2013 NA
2014 NA
2015 -0.706353422008202
2016 -0.301737387934665
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
