Year,Value,NumPoints 1895,-1.04367,230 1896,-1.70502,230 1897,-1.03862,230 1898,0.389028,230 1899,-2.84717,230 1900,-0.1584,230 1901,-2.94305,230 1902,-2.69426,230 1903,0.413061,230 1904,-1.42768,230 1905,1.60148,230 1906,-0.533297,230 1907,-3.56755,230 1908,-0.569369,230 1909,0.470588,230 1910,1.37056,230 1911,1.8517,230 1912,1.33905,230 1913,0.725106,230 1914,2.11212,230 1915,-4.78741,230 1916,0.136837,230 1917,-0.876321,230 1918,-0.15252,230 1919,-2.32717,230 1920,0.0364629,230 1921,-0.787298,230 1922,0.339156,230 1923,-0.500633,230 1924,1.85752,230 1925,-1.74869,230 1926,-1.21742,230 1927,-3.23623,230 1928,0.293355,230 1929,2.17963,230 1930,-0.582448,230 1931,0.298894,230 1932,3.20954,230 1933,-2.85185,230 1934,1.3854,230 1935,1.47309,230 1936,3.87715,230 1937,-1.70094,230 1938,-0.816842,230 1939,-0.741933,230 1940,-1.38829,230 1941,-3.25788,230 1942,0.631557,230 1943,2.15293,230 1944,1.05521,230 1945,-2.37059,230 1946,0.885049,230 1947,0.459907,230 1948,1.69538,230 1949,1.78676,230 1950,0.66087,230 1951,2.87286,230 1952,-0.906885,230 1953,2.56573,230 1954,2.92423,230 1955,-4.57538,230 1956,1.33905,230 1957,0.756102,230 1958,-1.78438,230 1959,-0.543114,230 1960,2.6208,230 1961,-1.24042,230 1962,-1.84946,230 1963,-1.51765,230 1964,1.23503,230 1965,-0.19356,230 1966,-1.14298,230 1967,-3.01525,230 1968,0.0374752,230 1969,-2.60657,230 1970,0.470776,230 1971,1.66996,230 1972,4.45071,230 1973,-1.46927,230 1974,3.50159,230 1975,1.66176,230 1976,-0.220487,230 1977,0.0734652,230 1978,-6.37699,230 1979,1.01196,230 1980,0.249858,230 1981,-2.06775,230 1982,2.95064,230 1983,0.616296,230 1984,0.478333,230 1985,-2.39941,230 1986,-2.52114,230 1987,-0.82643,230 1988,-0.729765,230 1989,0.00245756,230 1990,2.51966,230 1991,1.59853,230 1992,2.94687,230 1993,0.771309,230 1994,2.05028,230 1995,-3.01041,230 1996,-1.29576,230 1997,-0.00819336,230 1998,0.343393,230 1999,1.25343,230 2000,2.3771,230 2001,-2.15057,230 2002,-3.93501,230 2003,2.67306,230 2004,2.58272,230 2005,1.26313,230 2006,5.87542,230 2007,3.5479,230 2008,3.37584,230 2009,-1.02747,230 2010,-3.64242,230 2011,4.78934,230 2012,-2.44766,230 2013,3.84983,230 2014,2.27688,230 2015,4.85477,230 2016,2.06937,230 2017,3.54359,230 2018,1.96114,230 2019,4.60256,230