Year,Value,NumPoints 1900,-0.24952,2 1901,-0.431788,2 1902,-0.280526,2 1903,-0.105846,2 1904,-0.867459,2 1905,1.03714,2 1906,0.124399,2 1907,-0.215413,2 1908,-0.152866,2 1909,-1.73091,2 1910,-0.661623,2 1911,-0.638918,2 1912,0.911609,2 1913,-0.161408,2 1914,-0.16524,2 1915,1.37855,2 1916,-0.8652,2 1917,-1.21526,2 1918,-0.440328,2 1919,-0.837074,2 1920,-0.792693,2 1921,-0.242669,2 1922,-0.522343,2 1923,0.758329,2 1924,0.0953796,2 1925,-0.0284427,2 1926,1.83166,2 1927,-0.365912,2 1928,0.781695,2 1929,0.651447,2 1930,0.0424666,2 1931,0.824185,2 1932,-0.808756,2 1933,-1.24588,2 1934,0.753489,2 1935,-0.25202,2 1936,0.194565,2 1937,0.239797,2 1938,0.409988,2 1939,0.125124,2 1940,1.00122,2 1941,1.07182,2 1942,1.07568,2 1943,0.515534,2 1944,1.17966,2 1945,0.0881579,2 1946,0.0621582,2 1947,0.476709,2 1948,-0.620269,2 1949,-0.492359,2 1950,-1.22062,2 1951,-0.913934,2 1952,0.0293149,2 1953,0.496506,2 1954,-0.315365,2 1955,-1.22512,2 1956,-0.89458,2 1957,0.567698,2 1958,0.854979,2 1959,0.111537,2 1960,0.750154,2 1961,-0.0607704,2 1962,0.231105,2 1963,0.715667,2 1964,-0.248721,2 1965,-0.307925,2 1966,-0.762217,2 1967,0.13431,2 1968,0.0147106,2 1969,-0.0386262,2 1970,0.0550245,2 1971,-0.802496,2 1972,-1.28306,2 1973,-0.746952,2 1974,0.226328,2 1975,-0.586239,2 1976,0.759136,2 1977,1.2724,2 1978,0.828309,2 1979,0.415945,2 1980,0.722889,2 1981,1.78188,2 1982,-0.407841,2 1983,0.609716,2 1984,0.914108,2 1985,0.167276,2 1986,0.931461,2 1987,1.50677,2 1988,1.05375,2 1989,0.994014,2 1990,0.441719,2 1991,0.952042,2 1992,0.844502,2 1993,1.79683,2 1994,0.580482,2 1995,0.858413,2 1996,-0.293036,2 1997,1.75654,2 1998,1.29364,2 1999,0.73301,2 2000,0.898498,2 2001,0.891946,2 2002,0.940272,2 2003,1.28784,2 2004,1.963,2 2005,1.89865,2 2006,0.311665,2 2007,0.431694,2 2008,-0.080532,2 2009,0.457785,2 2010,1.41831,2 2011,0.459904,2 2012,0.151254,2 2013,1.2683,2 2014,1.37132,2 2015,2.15279,2 2016,2.55323,2 2017,0.885122,2 2018,1.47284,2 2019,1.99657,2 2020,0.813294,2 2021,0.404009,2