Year,Value,NumPoints
1900,-0.887095,54
1901,-0.235402,53
1902,-1.84376,55
1903,-0.251165,55
1904,-0.49316,53
1905,0.023654,53
1906,-0.12917,54
1907,-0.786386,53
1908,-0.440544,53
1909,-0.584059,55
1910,-0.239576,54
1911,-0.25755,54
1912,-0.746353,59
1913,-0.347561,59
1914,-0.197817,58
1915,-0.78575,60
1916,-0.500463,60
1917,-1.13087,60
1918,-0.916004,59
1919,-0.895802,59
1920,0.220072,61
1921,0.0321551,63
1922,-0.171885,66
1923,-0.000705923,68
1924,0.212336,70
1925,-0.00338042,69
1926,0.34607,72
1927,-0.311768,74
1928,0.289243,75
1929,-0.126697,80
1930,0.271444,81
1931,0.257259,83
1932,0.282675,85
1933,-0.5153,96
1934,0.934487,96
1935,0.329785,103
1936,0.356787,113
1937,0.921115,118
1938,1.16113,117
1939,0.477477,121
1940,0.271091,125
1941,-0.505717,123
1942,0.22124,127
1943,1.38329,130
1944,1.08458,129
1945,0.37055,134
1946,-0.318658,137
1947,0.438524,141
1948,0.430564,146
1949,0.285531,151
1950,0.0461007,156
1951,0.104082,158
1952,-0.204685,159
1953,0.905848,160
1954,0.588845,162
1955,-0.485784,163
1956,-0.265622,165
1957,0.0702048,168
1958,-0.508344,172
1959,0.473719,178
1960,0.158505,179
1961,-0.0209429,181
1962,0.519753,181
1963,0.0362962,179
1964,-0.603563,179
1965,-0.546635,179
1966,-1.00131,179
1967,0.570119,179
1968,-0.356904,179
1969,-0.398982,180
1970,-0.230806,179
1971,-0.191961,181
1972,-0.505123,179
1973,0.177518,179
1974,-0.244873,178
1975,0.363013,181
1976,-0.188002,182
1977,0.186964,181
1978,-0.169499,181
1979,-0.671357,179
1980,0.212913,179
1981,1.10502,175
1982,-0.320327,177
1983,0.35687,177
1984,0.227709,176
1985,0.11363,178
1986,0.119249,178
1987,-0.365435,178
1988,0.691232,177
1989,0.633485,177
1990,0.552683,177
1991,0.896237,174
1992,-0.042767,173
1993,0.651943,170
1994,0.276985,165
1995,1.49717,173
1996,0.709861,165
1997,0.843102,164
1998,0.45301,163
1999,0.332989,162
2000,1.03782,165
2001,0.943809,165
2002,1.11005,164
2003,1.6329,162
2004,0.616655,161
2005,1.9034,161
2006,1.32583,162
2007,1.95807,161
2008,1.40255,160
2009,0.954849,154
2010,1.57242,154
2011,1.95647,155
2012,1.54715,154
2013,1.43287,152
2014,1.80028,148
2015,1.91008,150
2016,2.75015,140
2017,2.33228,132
2018,1.91448,126
2019,2.49084,118
2020,2.87786,115
2021,1.42703,116