Year,Value,NumPoints 1900,0.751871,20 1901,-0.802294,20 1902,-0.398253,20 1903,-0.896849,20 1904,-0.327266,20 1905,1.15178,20 1906,-0.494083,20 1907,-0.52789,20 1908,0.219268,20 1909,-1.09149,20 1910,-1.72087,20 1911,0.157879,20 1912,1.39403,20 1913,0.311039,20 1914,1.63458,20 1915,0.149455,20 1916,-0.436032,20 1917,-0.967496,20 1918,-1.96329,20 1919,-0.240014,20 1920,-1.74854,20 1921,0.398171,20 1922,0.291497,20 1923,1.01836,20 1924,-0.65149,20 1925,-0.0144973,20 1926,1.93982,20 1927,-0.64453,20 1928,0.616005,20 1929,1.35093,20 1930,-0.549529,20 1931,-0.0346697,20 1932,-0.765204,20 1933,-1.15557,20 1934,0.27804,20 1935,0.321598,20 1936,0.777703,20 1937,1.17421,20 1938,1.05977,20 1939,-0.922918,20 1940,2.10131,20 1941,1.13437,20 1942,1.03775,20 1943,0.584519,20 1944,0.243568,20 1945,-0.610672,20 1946,-0.836458,20 1947,0.184595,20 1948,-0.830221,20 1949,0.206777,20 1950,1.33393,20 1951,0.0282032,20 1952,0.0472294,20 1953,0.327824,20 1954,-0.28991,20 1955,-1.41075,20 1956,-2.26089,20 1957,1.6121,20 1958,1.08497,20 1959,-0.445063,20 1960,0.722312,20 1961,-0.986472,20 1962,0.981685,20 1963,0.786468,20 1964,-1.66122,20 1965,-0.495029,20 1966,-0.618848,20 1967,1.74828,20 1968,-0.182053,20 1969,1.03141,20 1970,-0.0954159,20 1971,-1.80903,20 1972,-0.130494,20 1973,-0.339462,20 1974,-0.950677,20 1975,-1.41501,20 1976,-0.927292,20 1977,0.545265,20 1978,2.59705,20 1979,1.70917,20 1980,0.795657,20 1981,1.91751,20 1982,0.666916,20 1983,1.21331,20 1984,-0.870398,20 1985,0.355211,20 1986,0.909954,20 1987,0.533673,20 1988,0.640491,20 1989,0.994441,20 1990,-0.144352,20 1991,0.859235,20 1992,-1.02985,20 1993,1.86179,20 1994,-0.40535,20 1995,1.2757,20 1996,0.528927,20 1997,1.55079,20 1998,1.58769,20 1999,-1.74193,20 2000,1.89066,20 2001,0.559233,20 2002,2.91597,20 2003,2.20167,20 2004,2.69028,20 2005,1.53318,20 2006,0.445098,20 2007,2.09455,20 2008,-0.30547,20 2009,0.531687,20 2010,0.88619,20 2011,1.25448,20 2012,-1.20597,20 2013,1.28657,20 2014,3.32066,20 2015,2.44546,20 2016,4.07848,20 2017,2.9193,20 2018,3.96055,20 2019,4.69349,20 2020,1.86855,20