Year,Value,NumPoints
1900,-0.499159,149
1901,-0.0468413,146
1902,-1.88302,150
1903,-0.31642,156
1904,0.464848,156
1905,-0.0916962,156
1906,-0.207266,156
1907,0.732917,156
1908,-0.415992,156
1909,-0.424002,156
1910,-0.627819,156
1911,-0.219199,156
1912,-1.77844,156
1913,-0.392102,156
1914,-0.353247,156
1915,-1.14696,156
1916,-0.956331,156
1917,-2.48568,156
1918,-0.717554,156
1919,-0.586222,156
1920,0.867091,156
1921,-0.182661,156
1922,1.11429,156
1923,0.509837,156
1924,0.573145,156
1925,0.612399,156
1926,-0.476859,156
1927,-0.536977,156
1928,-0.189555,156
1929,-0.529461,156
1930,0.99949,156
1931,1.20302,156
1932,0.259179,156
1933,1.6087,156
1934,1.49301,156
1935,0.49267,156
1936,0.408412,156
1937,2.12862,156
1938,2.20251,156
1939,0.848562,156
1940,0.34772,156
1941,-0.353311,156
1942,-0.0843913,156
1943,0.24985,156
1944,1.13206,156
1945,0.824273,149
1946,0.959525,154
1947,0.503981,156
1948,-0.59999,156
1949,0.468698,156
1950,1.43902,156
1951,0.00767346,156
1952,0.352242,156
1953,0.838861,156
1954,2.25782,156
1955,0.541139,156
1956,1.32545,156
1957,0.833962,156
1958,-0.24993,156
1959,0.234284,156
1960,0.531493,156
1961,0.108707,156
1962,-0.372946,156
1963,-1.40247,156
1964,0.73461,156
1965,-0.146177,156
1966,-1.94365,156
1967,-0.759279,156
1968,-3.63166,156
1969,-1.06325,156
1970,0.0277632,156
1971,-0.899925,156
1972,2.16042,156
1973,1.10556,156
1974,2.23985,156
1975,-0.212495,156
1976,1.51267,156
1977,-0.654904,156
1978,-1.86194,156
1979,-1.21284,156
1980,-0.40103,156
1981,-1.01778,156
1982,-0.748522,156
1983,0.710047,156
1984,2.68412,156
1985,1.63443,156
1986,0.249621,156
1987,-0.27179,156
1988,-2.09461,156
1989,-0.321626,156
1990,2.53151,156
1991,1.82179,156
1992,1.27364,156
1993,0.0250057,156
1994,0.642657,156
1995,0.413288,156
1996,0.370614,156
1997,-0.156133,156
1998,0.00651201,156
1999,2.37155,156
2000,2.24581,156
2001,2.06827,156
2002,1.71929,156
2003,-0.416463,156
2004,1.57114,156
2005,2.82876,156
2006,4.02719,156
2007,3.59712,156
2008,2.2313,156
2009,2.23275,156
2010,2.3435,156
2011,2.52878,156
2012,4.98772,156
2013,3.75068,156
2014,3.49125,156
2015,3.92817,156
2016,5.77673,156
2017,4.07514,156
2018,4.44431,156
2019,1.76821,156
2020,1.56471,156