Year,Value,NumPoints 1895,0.435526,147 1896,-1.68759,212 1897,-2.4791,212 1898,0.593656,230 1899,-1.10554,230 1900,-0.415894,230 1901,-2.00719,230 1902,-0.555472,226 1903,-2.08163,230 1904,0.467369,230 1905,1.63523,230 1906,-0.414413,230 1907,-0.292953,230 1908,-1.46318,230 1909,-1.888,230 1910,-2.32134,230 1911,-2.13962,230 1912,1.71987,230 1913,-0.811829,230 1914,-0.196349,230 1915,2.19867,230 1916,0.823189,230 1917,-0.211303,230 1918,-1.32184,230 1919,0.0813172,230 1920,-2.85723,230 1921,-0.440943,230 1922,0.13425,230 1923,-0.0201703,230 1924,-4.38319,230 1925,0.0308912,230 1926,2.46845,230 1927,-2.92945,230 1928,-0.354518,230 1929,-0.448976,230 1930,-0.610915,230 1931,-0.194967,230 1932,1.20171,230 1933,0.639975,230 1934,1.30633,230 1935,-0.0666643,230 1936,0.897397,230 1937,-0.700805,230 1938,1.74196,230 1939,0.974638,230 1940,4.10833,230 1941,2.17889,230 1942,1.7753,230 1943,0.58179,230 1944,-0.30148,230 1945,-0.0226903,230 1946,-0.219985,230 1947,0.418938,230 1948,-0.488992,230 1949,-1.55873,230 1950,-0.114298,230 1951,0.896475,230 1952,-0.924392,230 1953,1.60025,230 1954,-0.79904,230 1955,-1.66265,230 1956,-0.0550415,230 1957,1.71413,230 1958,1.85816,230 1959,-0.721859,230 1960,-1.32151,230 1961,-0.737757,230 1962,0.560851,230 1963,0.0332769,230 1964,-1.34836,230 1965,0.835417,230 1966,-0.864115,230 1967,0.940767,230 1968,-0.566551,230 1969,1.60412,230 1970,-0.0281099,230 1971,-1.3342,230 1972,-2.92079,230 1973,0.616333,230 1974,0.0520924,230 1975,-0.763083,230 1976,0.102309,230 1977,-0.525991,230 1978,1.42365,230 1979,0.979462,230 1980,1.35615,230 1981,0.890424,230 1982,-1.14354,230 1983,1.64993,230 1984,-0.00843959,230 1985,-3.10661,230 1986,-1.71672,230 1987,0.630895,230 1988,1.21872,230 1989,2.10193,230 1990,2.69705,230 1991,1.68645,230 1992,0.325336,230 1993,2.83693,230 1994,1.4302,230 1995,2.47842,230 1996,0.681226,230 1997,1.79351,230 1998,3.18323,230 1999,0.385215,230 2000,0.649941,230 2001,1.28646,230 2002,-0.760031,230 2003,2.15726,230 2004,2.2991,230 2005,1.40086,230 2006,-0.272091,230 2007,2.30421,230 2008,0.19687,230 2009,0.455892,230 2010,1.97348,230 2011,0.411943,230 2012,1.81517,230 2013,-1.94657,230 2014,1.92461,230 2015,2.57301,230 2016,4.2219,230 2017,2.67508,230 2018,1.77906,230 2019,2.67255,230