Year,Value,NumPoints 1895,-1.78527,20 1896,-4.31347,20 1897,2.04079,21 1898,1.00631,21 1899,0.0906918,24 1900,-0.983951,24 1901,-0.548086,24 1902,0.20606,24 1903,-3.40356,24 1904,-0.869365,24 1905,2.00969,24 1906,-4.25031,24 1907,2.17004,24 1908,0.615484,24 1909,-1.39917,24 1910,-1.03288,24 1911,0.286363,24 1912,4.05848,24 1913,-0.56653,24 1914,1.12153,24 1915,2.50492,24 1916,1.90027,24 1917,-2.18819,24 1918,0.024444,24 1919,-3.19475,24 1920,-2.04426,24 1921,-2.51227,24 1922,2.21566,24 1923,0.694993,24 1924,0.146409,24 1925,-2.27939,24 1926,4.8082,24 1927,4.18799,24 1928,3.0355,24 1929,6.44612,24 1930,6.18471,24 1931,2.77122,24 1932,-1.60024,24 1933,-1.99181,24 1934,-4.60728,24 1935,1.0861,24 1936,2.39481,24 1937,6.98089,24 1938,-1.57128,24 1939,-2.11144,24 1940,3.64028,24 1941,-0.768544,24 1942,6.11807,24 1943,-2.80217,24 1944,0.763062,24 1945,7.2992,24 1946,3.49705,24 1947,-4.24861,24 1948,1.19171,24 1949,0.900738,24 1950,2.68678,24 1951,-1.67626,24 1952,-0.0443733,24 1953,0.120925,24 1954,-3.19542,24 1955,4.5988,24 1956,-6.62638,24 1957,3.26834,24 1958,-1.45937,24 1959,-1.15933,24 1960,2.3787,24 1961,3.65785,24 1962,-0.971716,24 1963,5.01896,24 1964,0.958662,24 1965,-2.06615,24 1966,2.24345,24 1967,-0.72778,24 1968,0.00889439,24 1969,-0.267896,24 1970,-4.17124,24 1971,-6.41994,24 1972,-2.01285,24 1973,-5.0318,24 1974,-0.254293,24 1975,-3.13487,24 1976,-0.618957,24 1977,8.0405,24 1978,6.13628,24 1979,6.49175,24 1980,-3.08446,24 1981,6.18868,24 1982,1.05794,24 1983,-1.00781,24 1984,1.7437,24 1985,8.09523,24 1986,1.73134,24 1987,3.37469,24 1988,4.16272,24 1989,-7.63957,24 1990,0.243263,24 1991,1.67355,24 1992,1.79139,24 1993,0.108336,24 1994,2.53423,24 1995,1.62577,24 1996,0.625518,24 1997,-0.49957,24 1998,-0.988452,24 1999,-1.6484,24 2000,-4.86796,24 2001,5.72047,24 2002,2.72954,24 2003,5.02147,24 2004,-1.37238,24 2005,3.91905,24 2006,-4.10291,24 2007,-0.432422,24 2008,-1.86878,24 2009,-1.0352,24 2010,0.534658,24 2011,2.61901,24 2012,-10.0181,24 2013,3.548,24 2014,7.83382,24 2015,3.69007,24 2016,6.85721,24 2017,0.29835,24 2018,2.96367,24 2019,4.12716,24 2020,-3.5597,24