Year,Value,NumPoints 1900,0.74341,2 1901,-0.945921,2 1902,-0.667903,2 1903,-1.16483,2 1904,-0.0908869,2 1905,1.19922,2 1906,-0.61804,2 1907,-0.50731,2 1908,0.286924,2 1909,-1.2111,2 1910,-1.92497,2 1911,0.320001,2 1912,1.42528,2 1913,0.357717,2 1914,1.69679,2 1915,0.0729915,2 1916,-0.261617,2 1917,-0.935286,2 1918,-2.13619,2 1919,-0.370834,2 1920,-1.43745,2 1921,0.66071,2 1922,0.180754,2 1923,0.982642,2 1924,-0.883869,2 1925,-0.162472,2 1926,1.8276,2 1927,-0.607159,2 1928,0.913176,2 1929,1.1822,2 1930,-0.563268,2 1931,0.249572,2 1932,-0.635503,2 1933,-0.979073,2 1934,0.0427512,2 1935,0.18337,2 1936,0.755969,2 1937,0.955209,2 1938,1.18737,2 1939,-0.566278,2 1940,2.30019,2 1941,1.14605,2 1942,1.25485,2 1943,0.823315,2 1944,0.408201,2 1945,-0.397523,2 1946,-0.492659,2 1947,0.620338,2 1948,-0.860237,2 1949,0.286652,2 1950,1.60865,2 1951,0.176005,2 1952,0.178278,2 1953,-0.047995,2 1954,-0.442725,2 1955,-1.22429,2 1956,-2.12939,2 1957,1.42575,2 1958,0.958758,2 1959,-0.52837,2 1960,0.657913,2 1961,-0.953468,2 1962,1.26747,2 1963,0.859637,2 1964,-1.73332,2 1965,-0.433855,2 1966,-0.635997,2 1967,1.32645,2 1968,0.0922773,2 1969,1.16755,2 1970,-0.187636,2 1971,-1.37216,2 1972,-0.230751,2 1973,-0.488264,2 1974,-1.4231,2 1975,-1.40113,2 1976,-0.832089,2 1977,0.598405,2 1978,2.43769,2 1979,1.9191,2 1980,0.999242,2 1981,1.96751,2 1982,0.879551,2 1983,1.40967,2 1984,-0.922829,2 1985,0.308331,2 1986,0.646422,2 1987,0.631744,2 1988,0.711182,2 1989,1.17744,2 1990,-0.437157,2 1991,0.630244,2 1992,-1.01274,2 1993,1.8564,2 1994,-0.424986,2 1995,1.0902,2 1996,0.542946,2 1997,1.46064,2 1998,2.03049,2 1999,-1.61333,2 2000,1.64065,2 2001,0.778552,2 2002,2.79196,2 2003,2.15857,2 2004,2.80692,2 2005,1.40351,2 2006,0.409674,2 2007,1.98461,2 2008,-0.090918,2 2009,0.702226,2 2010,1.07747,2 2011,1.35045,2 2012,-0.979545,2 2013,1.56503,2 2014,3.42968,2 2015,2.657,2 2016,4.30222,2 2017,3.0479,2 2018,3.97036,2 2019,4.68391,2 2020,1.7657,2 2021,0.147688,2 2022,1.7735,2 2023,1.45341,2