Year,Value,NumPoints 1895,-1.15481,192 1896,-0.928607,224 1897,-0.686436,210 1898,0.19439,230 1899,-0.234536,230 1900,-0.92243,230 1901,-1.1617,230 1902,-0.69777,230 1903,-0.352938,230 1904,-1.61241,230 1905,-0.300738,230 1906,-0.631465,230 1907,-0.635614,230 1908,-1.48474,230 1909,-1.41774,230 1910,-1.09829,230 1911,-0.370982,230 1912,-1.20096,230 1913,-1.10716,230 1914,-0.48657,230 1915,0.207818,230 1916,-1.16475,230 1917,-0.432949,230 1918,-0.722093,230 1919,-0.360426,230 1920,-1.44513,230 1921,-0.114907,230 1922,-0.866641,230 1923,1.24014,230 1924,-0.595989,230 1925,-0.0635207,230 1926,0.883208,230 1927,0.0159904,230 1928,-1.0664,230 1929,-0.532763,230 1930,-0.0446561,230 1931,-0.309991,230 1932,-0.736698,230 1933,-0.902552,230 1934,-0.255224,230 1935,-0.926665,230 1936,1.20075,230 1937,-0.575813,230 1938,-0.103235,230 1939,-0.988357,230 1940,0.0927342,230 1941,1.21594,230 1942,0.585982,230 1943,-0.617153,230 1944,-0.0430502,230 1945,-0.367775,230 1946,-0.834072,230 1947,-0.979827,230 1948,-0.950219,230 1949,-0.271817,230 1950,0.0807473,230 1951,0.369894,230 1952,-0.621248,230 1953,0.343883,230 1954,0.378027,230 1955,-0.894142,230 1956,-0.0885094,230 1957,1.2993,230 1958,0.33131,230 1959,-0.56047,230 1960,-0.187033,230 1961,-0.204628,230 1962,0.611947,230 1963,0.180808,230 1964,-0.515653,230 1965,-0.626608,230 1966,-0.594111,230 1967,0.634709,230 1968,0.570394,230 1969,-1.45938,230 1970,-0.801274,230 1971,-0.645222,230 1972,0.340546,230 1973,-1.07259,230 1974,0.524218,230 1975,-0.521291,230 1976,0.20158,230 1977,1.76508,230 1978,0.4528,230 1979,1.27442,230 1980,-0.486761,230 1981,0.201081,230 1982,-0.418517,230 1983,-0.0532701,230 1984,-0.0434511,230 1985,-0.552515,230 1986,-0.708737,230 1987,0.471645,230 1988,0.0398129,230 1989,1.47677,230 1990,0.91121,230 1991,-0.24274,230 1992,0.0304327,230 1993,0.643238,230 1994,1.22699,230 1995,0.0505897,230 1996,-0.514869,230 1997,1.57915,230 1998,-0.137387,230 1999,0.454875,230 2000,-0.697838,230 2001,0.569109,230 2002,0.219381,230 2003,0.659521,230 2004,2.29212,230 2005,1.52435,230 2006,-0.189953,230 2007,1.39389,230 2008,-0.471464,230 2009,-0.1005,230 2010,0.777869,230 2011,-0.110552,230 2012,0.0733323,230 2013,1.18464,230 2014,1.64253,230 2015,0.565466,230 2016,2.11467,230 2017,1.02935,230 2018,0.456904,230 2019,1.53596,230