Year,Value,NumPoints 1900,-0.0395848,2 1901,-0.337734,2 1902,-0.166742,2 1903,-0.456394,2 1904,-0.874061,2 1905,1.69852,2 1906,-0.0528491,2 1907,-0.463552,2 1908,0.197168,2 1909,-1.21776,2 1910,-0.994484,2 1911,-0.282028,2 1912,1.43556,2 1913,0.284003,2 1914,0.934239,2 1915,1.22099,2 1916,-0.528328,2 1917,-1.27417,2 1918,-0.532949,2 1919,-0.23594,2 1920,-0.85416,2 1921,-0.191103,2 1922,-0.259838,2 1923,0.820204,2 1924,-0.023296,2 1925,-0.0511161,2 1926,2.75786,2 1927,-0.627239,2 1928,0.676801,2 1929,0.785566,2 1930,-0.321262,2 1931,0.956601,2 1932,-0.99073,2 1933,-1.47972,2 1934,0.740825,2 1935,0.0826875,2 1936,0.780963,2 1937,0.353908,2 1938,0.514747,2 1939,-0.320219,2 1940,1.8122,2 1941,1.11303,2 1942,0.904877,2 1943,1.00566,2 1944,1.04449,2 1945,0.140882,2 1946,-0.505514,2 1947,0.657748,2 1948,-1.06746,2 1949,-0.574176,2 1950,-0.599119,2 1951,-0.591748,2 1952,0.218256,2 1953,0.53061,2 1954,-0.327849,2 1955,-1.14597,2 1956,-1.75882,2 1957,1.25383,2 1958,0.625951,2 1959,0.0221058,2 1960,0.925527,2 1961,-0.847279,2 1962,0.28639,2 1963,0.872769,2 1964,-0.800132,2 1965,-0.599623,2 1966,-0.775378,2 1967,0.440473,2 1968,0.178441,2 1969,1.02218,2 1970,0.341518,2 1971,-1.60815,2 1972,-1.56456,2 1973,-0.937539,2 1974,0.0326568,2 1975,-1.20832,2 1976,0.769901,2 1977,1.26883,2 1978,1.72053,2 1979,1.08467,2 1980,0.57073,2 1981,1.99818,2 1982,-0.442584,2 1983,1.10024,2 1984,1.12455,2 1985,0.221382,2 1986,1.36464,2 1987,1.63534,2 1988,1.26444,2 1989,0.325827,2 1990,-0.0580535,2 1991,0.950045,2 1992,0.0726856,2 1993,2.16392,2 1994,0.76755,2 1995,1.11439,2 1996,-0.330999,2 1997,1.70193,2 1998,1.13465,2 1999,-0.280785,2 2000,1.63069,2 2001,1.26314,2 2002,2.14559,2 2003,2.00262,2 2004,1.9996,2 2005,2.10636,2 2006,0.272914,2 2007,0.914283,2 2008,-0.215521,2 2009,0.781116,2 2010,1.31537,2 2011,0.533855,2 2012,-0.485741,2 2013,1.28716,2 2014,2.42363,2 2015,2.27326,2 2016,3.25875,2 2017,1.21116,2 2018,2.13996,2 2019,3.08374,2 2020,0.534838,2 2021,-0.0627181,2