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 0.551767910444737
1902 -1.13002878758969
1903 -1.07055961770923
1904 -0.34771700148115
1905 -0.276639164306055
1906 0.356753425287904
1907 -0.0489739721549487
1908 0.468374459452525
1909 -0.815455436661866
1910 2.92871757547023
1911 0.276104442954499
1912 1.71517214933548
1913 0.646000380739277
1914 -0.130877441009456
1915 -0.123358959658452
1916 1.08898322530343
1917 -0.620879726039042
1918 0.558115209019349
1919 -0.494141033259836
1920 1.12261153865508
1921 -0.469323334160815
1922 0.564453044186161
1923 -0.229996864035387
1924 0.96352351278554
1925 0.5198881450934
1926 0.316627439990071
1927 0.363403206078077
1928 0.798626626184919
1929 0.934519791321475
1930 1.49297617565482
1931 -0.071138830610077
1932 0.356753425287904
1933 0.738215517176524
1934 0.551767910444737
1935 0.323342396660959
1936 -0.100891805781222
1937 1.31944077769142
1938 0.303164397343624
1939 -0.420193025456607
1940 2.15056216087247
1941 0.589710492873493
1942 -0.926437397170676
1943 -0.77925308740133
1944 1.03807507346399
1945 -0.907684838766564
1946 1.47745512835082
1947 -0.595167698022603
1948 -0.153522241432775
1949 0.18689188425902
1950 0.330046373722003
1951 -0.898347711644337
1952 -1.46745646975739
1953 -0.842861540659926
1954 0.0095197408943988
1955 0.356753425287904
1956 0.0240068926667998
1957 -0.734530561913144
1958 -1.16017801680363
1959 -1.03150741399518
1960 -0.898347711644337
1961 -1.15009690877691
1962 -1.30476305568408
1963 -2.03021209907018
1964 -0.452872470544008
1965 1.40436003566826
1966 1.10582802286533
1967 -0.870490722632514
1968 -0.452872470544008
1969 -0.469323334160815
1970 2.4250293113329
1971 -1.07055961770923
1972 -1.62755681750657
1973 -1.05097533721019
1974 -0.561172985352981
1975 0.323342396660959
1976 -0.935853205145801
1977 -0.0934319347947216
1978 -0.527500019932
1979 1.53412609069935
1980 0.00225595680473076
1981 1.24387316678405
1982 0.18689188425902
1983 -0.108366217273789
1984 0.22831177211211
1985 0.8404267109812
1986 -1.01215409456587
1987 -0.461088549700427
1988 -0.544296776812467
1989 -1.34731986923414
1990 -0.646780800643892
1991 0.350092897755334
1992 -0.725655210713211
1993 -0.0563481277752037
1994 -1.95023703091296
1995 0.695425556136351
1996 -0.323872509239427
1997 0.564453044186161
1998 -1.04122694152109
1999 3.17656380990053
2000 1.27640718018559
2001 0.0671496692166377
2002 1.50329616487062
2003 -0.842861540659926
2004 -0.734530561913144
2005 2.67828267365918
2006 -0.355699548518662
2007 -1.51233793889146
2008 -0.461088549700427
2009 -0.82456630375248
2010 0.383288522769355
2011 -1.4122674455504
2012 -0.725655210713211
2013 0.583410140868115
2014 -0.485849463501378
2015 -0.954764836603864
2016 -0.444674986856775
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
