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 -0.900412449391886
1884 1.68666063085985
1885 -0.958160308738496
1886 0.694983150047998
1887 -1.74040554813909
1888 -0.648340240161196
1889 0.741353751235515
1890 0.860567606800039
1891 -1.5047944659067
1892 -0.697465397981992
1893 1.01737659561668
1894 0.294906333658573
1895 -0.707364563788595
1896 -0.213695203860598
1897 2.41387218280038
1898 -0.443748428337198
1899 1.36742882599247
1900 -0.293441682267424
1901 0.16412697078529
1902 -0.406802423594569
1903 0.698566080068258
1904 1.44210210285678
1905 0.0747573391711193
1906 -0.00809723079218958
1907 0.368520297387764
1908 -1.62374515573476
1909 0.727133504575133
1910 -0.947594929706428
1911 -1.1092943456086
1912 -0.575777980588539
1913 1.55519841031437
1914 1.27575254377885
1915 0.508570857703157
1916 NA
1917 NA
1918 NA
1919 NA
1920 NA
1921 NA
1922 NA
1923 0.160103629069007
1924 1.12362385711007
1925 -0.692525172212539
1926 1.22124712214724
1927 -0.453037475945035
1928 -1.23254332404582
1929 -0.869279756992237
1930 0.564166952100921
1931 0.0252337088876401
1932 1.40800839081152
1933 0.298810628243179
1934 0.527176366159494
1935 0.188190916338624
1936 -0.797606217301251
1937 0.818825334756941
1938 -0.995374343729509
1939 -0.135431024319977
1940 -0.178732402210582
1941 0.180184040100333
1942 0.192188969655501
1943 -1.93741491527477
1944 -1.03296145176204
1945 NA
1946 NA
1947 -0.183086960119831
1948 0.860567606800039
1949 -0.443748428337198
1950 -1.41369101177809
1951 -1.3957512786947
1952 0.156076640309163
1953 -0.905626062539741
1954 3.87794234940246
1955 1.30120447423575
1956 0.32604697767818
1957 1.05415279484915
1958 0.115604234466032
1959 -0.0206625977274795
1960 0.895082814892123
1961 -0.457689967491611
1962 -0.499804297883588
1963 -1.15921273982817
1964 -1.1092943456086
1965 -0.566202182661543
1966 0.589888141595033
1967 -1.00607502930738
1968 -1.12032884658355
1969 -0.843528239848869
1970 -0.926552384050183
1971 -0.105380065341182
1972 -0.144056063106858
1973 -0.25781110555838
1974 0.440968312524282
1975 1.23412392375616
1976 -0.2755883681652
1977 1.51268712088627
1978 1.05748275110582
1979 0.271409533078434
1980 -0.523392149006365
1981 0.0210812800814963
1982 -0.910846837125889
1983 3.2304394018668
1984 -0.570987213329354
1985 -1.21548901555393
1986 0.626391201301016
1987 -0.425233636330027
1988 -1.1148074621445
1989 -1.33660163796342
1990 -1.08732392802054
1991 -0.931802059642639
1992 -0.0755387619625146
1993 -1.37197271615289
1994 1.20510556843817
1995 1.05415279484915
1996 0.23593320373846
1997 0.709298814759812
1998 -0.537611477787722
1999 -0.253378574303008
2000 -0.178732402210582
2001 0.0459367599281891
2002 1.74538119580587
2003 -1.27841929587243
2004 0.406793084581474
2005 0.787282073938696
2006 0.0665422149522954
2007 0.615469830676752
2008 -1.31904721123844
2009 0.180184040100333
2010 1.47597727095841
2011 -0.174382320009594
2012 -0.196177608832844
2013 2.91977257183775
2014 -0.126823417582963
2015 0.0459367599281897
2016 -0.306882089798222
2017 -0.884814326871068
2018 -1.41369101177809
2019 -0.457689967491611
2020 -0.0925654863729233
2021 NA
