Year,Value,NumPoints
1900,-0.534709,53
1901,-0.977359,54
1902,-2.25512,56
1903,-0.112299,54
1904,-0.700119,52
1905,0.00187906,53
1906,-0.00607567,55
1907,-0.882878,52
1908,-0.441143,56
1909,-0.345495,56
1910,-0.689849,53
1911,0.720903,54
1912,-0.82142,60
1913,-0.216743,58
1914,0.772057,59
1915,-2.33433,60
1916,-0.613718,61
1917,-1.61557,59
1918,-0.233995,59
1919,-1.19494,59
1920,-0.0975768,61
1921,-0.0379268,65
1922,0.326466,67
1923,0.776081,70
1924,1.63528,70
1925,-0.0757916,71
1926,0.163198,74
1927,-0.809405,75
1928,0.914751,77
1929,1.02887,81
1930,0.44692,82
1931,1.38903,84
1932,-0.0435461,89
1933,-0.684999,97
1934,1.84961,98
1935,0.431059,105
1936,1.3381,116
1937,1.47622,118
1938,1.49171,120
1939,1.35585,123
1940,-0.121988,124
1941,-0.507119,121
1942,0.889837,129
1943,1.9972,129
1944,1.99565,130
1945,-0.0858791,138
1946,-0.0631541,138
1947,1.5109,144
1948,0.617259,148
1949,0.587426,155
1950,0.408065,157
1951,1.35002,159
1952,-0.244445,161
1953,1.29518,162
1954,1.16516,163
1955,-1.18557,164
1956,-0.390351,165
1957,-0.856956,170
1958,-0.829651,174
1959,0.644591,179
1960,0.394876,180
1961,-0.227693,181
1962,0.344695,180
1963,0.415791,179
1964,-0.338025,179
1965,-0.975336,179
1966,-0.17807,178
1967,1.69488,178
1968,-1.79589,180
1969,0.83378,181
1970,-0.228329,179
1971,0.0638425,181
1972,-0.387383,179
1973,-0.19455,179
1974,-0.943281,179
1975,0.137531,182
1976,-0.562674,181
1977,-0.308913,182
1978,-0.012635,181
1979,0.120087,176
1980,-0.275404,179
1981,1.38486,175
1982,-0.606045,177
1983,0.911751,177
1984,-0.196414,178
1985,1.04918,178
1986,0.350401,178
1987,-0.265801,178
1988,0.703805,176
1989,0.0933304,179
1990,-0.642864,177
1991,0.9824,174
1992,-0.690216,174
1993,-0.175032,167
1994,0.269811,167
1995,1.06181,174
1996,0.869612,162
1997,0.522374,162
1998,0.202313,163
1999,0.839505,163
2000,0.679682,167
2001,1.28496,165
2002,1.49337,163
2003,2.17195,164
2004,0.574768,159
2005,2.89434,160
2006,2.18901,162
2007,2.82393,160
2008,2.04624,161
2009,1.08872,152
2010,2.08326,157
2011,2.6293,155
2012,1.33881,154
2013,2.50413,150
2014,2.02368,149
2015,2.24734,150
2016,2.04388,136
2017,3.12145,130
2018,2.72646,123
2019,2.77877,119
2020,3.78372,114
2021,1.89272,115