Year,Value,NumPoints 1900,0.155239,2522 1901,0.157031,2522 1902,-0.466104,2524 1903,0.147271,2524 1904,-0.184681,2524 1905,0.222604,2524 1906,0.0231251,2524 1907,-0.600553,2524 1908,0.0273882,2524 1909,-0.512779,2524 1910,-0.392243,2524 1911,0.0858089,2524 1912,0.168281,2524 1913,-0.456131,2524 1914,-0.362217,2523 1915,-0.125281,2524 1916,-0.0155323,2523 1917,-0.841164,2523 1918,-1.12694,2524 1919,-0.453208,2524 1920,0.0194423,2521 1921,0.162816,2523 1922,-0.304935,2519 1923,0.181042,2512 1924,0.361269,2523 1925,0.016594,2523 1926,0.50519,2523 1927,-0.0406406,2523 1928,0.71004,2524 1929,0.257918,2524 1930,0.467676,2524 1931,0.299181,2524 1932,0.120054,2524 1933,-0.360926,2523 1934,0.349722,2524 1935,0.0431082,2524 1936,-0.0976262,2524 1937,0.992278,2524 1938,0.945274,2524 1939,0.33875,2521 1940,1.1247,2522 1941,0.077649,2524 1942,0.402094,2524 1943,0.865081,2523 1944,0.787434,2524 1945,0.329634,2516 1946,0.00801276,2524 1947,0.913829,2524 1948,-0.0430345,2524 1949,0.0288826,2524 1950,0.0824648,2524 1951,-0.075077,2524 1952,0.377841,2524 1953,0.65571,2524 1954,0.47524,2524 1955,-0.293916,2524 1956,-0.619207,2528 1957,0.285391,2528 1958,0.0716654,2528 1959,0.219025,2528 1960,0.676928,2528 1961,-0.342349,2528 1962,0.601337,2528 1963,0.336869,2528 1964,-0.65264,2528 1965,-0.265474,2528 1966,-0.60554,2528 1967,0.121888,2528 1968,-0.0859329,2528 1969,0.2196,2528 1970,-0.100005,2528 1971,-0.470155,2528 1972,-0.728077,2528 1973,0.0511252,2528 1974,-0.267801,2528 1975,-0.153545,2528 1976,-0.146897,2528 1977,0.497126,2528 1978,-0.0201442,2528 1979,-0.230556,2528 1980,0.468658,2528 1981,1.16733,2528 1982,-0.533283,2528 1983,-0.319232,2528 1984,-0.0629077,2528 1985,0.277131,2528 1986,0.00483197,2528 1987,-0.0115114,2528 1988,0.718134,2528 1989,0.339272,2528 1990,0.0920245,2528 1991,0.626966,2528 1992,-0.296788,2528 1993,0.457134,2528 1994,0.362251,2528 1995,1.14015,2528 1996,0.830904,2528 1997,0.886791,2528 1998,1.17366,2528 1999,0.309286,2528 2000,1.27011,2528 2001,1.1068,2528 2002,1.35059,2528 2003,1.72991,2528 2004,0.562888,2528 2005,1.82012,2528 2006,1.75373,2528 2007,1.69953,2528 2008,1.08177,2528 2009,1.16566,2528 2010,2.38597,2528 2011,1.64899,2528 2012,1.51829,2528 2013,1.20247,2528 2014,1.92541,2528 2015,1.43906,2528 2016,2.88716,2528 2017,2.16332,2528 2018,1.64795,2528 2019,2.40443,2528 2020,1.99316,2528 2021,1.71979,2528 2022,1.92148,2528 2023,2.25644,2528