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 0.167808814231062
1902 0.551436868490062
1903 -1.03144802119737
1904 -0.39202390404899
1905 -0.440376865138528
1906 -0.220317042280357
1907 -1.36272393616393
1908 1.62664240793146
1909 -0.0822120266341587
1910 0.902095370259247
1911 -1.69526376530136
1912 -1.56395285504402
1913 -0.619469955445118
1914 -0.362024774318877
1915 -0.83108671273819
1916 -0.338146104883279
1917 0.484943381962668
1918 -0.746676217713967
1919 -0.191256074722387
1920 -0.380004008978299
1921 -1.18370375569353
1922 -0.380004008978299
1923 0.800480234395383
1924 -0.870524110678858
1925 -0.588151298725258
1926 -0.320306657588221
1927 -0.191256074722387
1928 -0.9907276184259
1929 -1.49591358241263
1930 -0.440376865138529
1931 -0.344105797381113
1932 -0.606919848029733
1933 -0.733813072620635
1934 0.43846493534218
1935 1.10043629875198
1936 0.194915477266425
1937 0.662292462208483
1938 1.27011360051147
1939 0.248744921534937
1940 0.302072966614926
1941 -1.10698500192626
1942 1.47058939346396
1943 -1.36272393616393
1944 1.63948170131562
1945 -1.36272393616393
1946 1.20187222635665
1947 -1.89551149570287
1948 0.216508217794362
1949 -1.01783736320591
1950 1.58366407400835
1951 1.97310267303064
1952 1.35105299510517
1953 -0.0200540009020469
1954 1.91999450710386
1955 1.71177320043704
1956 1.82500862915213
1957 -0.501445521297268
1958 -0.798455215548316
1959 -0.501445521297268
1960 -0.470822912064739
1961 -0.0144376688175126
1962 -1.06563950708472
1963 -0.104989407744731
1964 -0.943638114752863
1965 0.541255736627916
1966 0.38638498491646
1967 0.23801954051492
1968 -0.386010569437776
1969 -0.261265438999
1970 -0.284804393617008
1971 -0.538429508408864
1972 -0.0425763017206891
1973 1.36890197414001
1974 -1.05193448597466
1975 -0.404070975652241
1976 -1.51094791990662
1977 -0.495306746220567
1978 0.810231082522024
1979 0.731781898931738
1980 -1.17667922768745
1981 1.32418643922586
1982 1.12363366780925
1983 1.63948170131562
1984 -0.857344078001334
1985 -0.91027241009392
1986 -0.890359001131323
1987 1.56206956828832
1988 -1.56395285504402
1989 -1.27596199522239
1990 -0.766031803861011
1991 1.98530020304536
1992 0.194915477266425
1993 -0.0256760151074658
1994 1.40445263292147
1995 1.72444962186775
1996 0.983141265985808
1997 0.736714874484599
1998 0.248744921534938
1999 1.35998365984207
2000 -0.733813072620635
2001 0.396838286529098
2002 0.7465687532451
2003 -1.15566627682632
2004 0.520840699520861
2005 -1.76633541530384
2006 0.23801954051492
2007 2.88083186480864
2008 1.08181648186338
2009 0.259450248134435
2010 0.464331782889608
2011 -0.798455215548316
2012 0.0691355316750037
2013 -0.380004008978299
2014 -0.231985064250869
2015 0.375912850456337
2016 NA
2017 -0.804964757610415
2018 0.12964052837128
2019 -0.740240604913364
2020 -0.650978709782755
2021 NA
