Year,Value,NumPoints
1881,-0.380873,66
1882,-1.91086,99
1883,0.102281,108
1884,-1.37137,94
1885,-0.856094,99
1886,-2.34784,106
1887,-3.16528,75
1888,-1.18173,76
1889,-1.25667,78
1890,-1.66735,79
1891,-2.53348,60
1892,-1.22408,94
1893,-0.963947,160
1894,-2.78129,180
1895,-0.680692,178
1896,-1.85993,206
1897,-1.8659,216
1898,-1.27537,219
1899,-1.92968,225
1900,-1.02102,236
1901,-1.3877,233
1902,-0.579596,276
1903,-0.690897,277
1904,-0.522629,220
1905,0.331301,182
1906,-0.976398,175
1907,-1.74987,200
1908,-0.47444,224
1909,-1.7792,223
1910,-1.05081,247
1911,-0.237755,250
1912,0.744921,232
1913,-1.13549,219
1914,-0.519448,230
1915,-0.0303201,247
1916,-0.211358,279
1917,-1.89478,244
1918,-1.98288,234
1919,-0.94354,232
1920,-0.925491,239
1921,-0.339942,288
1922,-0.972244,303
1923,-0.0695804,289
1924,-0.614531,287
1925,-0.491726,312
1926,0.942458,302
1927,-0.425549,295
1928,1.03771,300
1929,0.518876,308
1930,0.789062,401
1931,0.360813,679
1932,0.114904,681
1933,-0.665187,685
1934,0.393867,563
1935,-0.201894,321
1936,-0.330683,593
1937,1.13826,685
1938,1.54807,685
1939,0.303259,685
1940,1.81629,685
1941,0.0750647,685
1942,1.27985,685
1943,1.51934,569
1944,1.10034,338
1945,0.231672,395
1946,-0.0741393,685
1947,1.11106,685
1948,-0.571482,685
1949,0.132816,685
1950,0.369875,685
1951,0.0836797,685
1952,0.701709,685
1953,0.727014,685
1954,0.62122,685
1955,-0.37637,685
1956,-0.46812,685
1957,0.229767,685
1958,0.630626,685
1959,-0.0558687,685
1960,0.476112,685
1961,-0.836881,685
1962,0.816013,685
1963,0.0834524,685
1964,-1.20591,685
1965,-0.109699,685
1966,-0.52785,685
1967,0.125326,685
1968,-0.151264,685
1969,0.549455,685
1970,-0.230227,685
1971,-0.134761,685
1972,-0.683596,685
1973,0.299279,685
1974,-0.881304,685
1975,-0.560157,685
1976,-0.0990691,685
1977,0.44733,685
1978,0.289185,685
1979,-0.0843649,685
1980,0.323941,685
1981,1.73611,685
1982,-0.451277,685
1983,0.0873967,685
1984,0.126567,685
1985,0.407883,685
1986,-0.252211,685
1987,-0.0199846,685
1988,0.808317,685
1989,0.527079,685
1990,0.344209,685
1991,0.608943,685
1992,-0.0413617,685
1993,1.15708,685
1994,0.557776,685
1995,1.27194,685
1996,1.0817,685
1997,0.919971,685
1998,2.63818,685
1999,0.533856,685
2000,0.909242,685
2001,1.35342,685
2002,1.82424,685
2003,1.60092,685
2004,0.143322,685
2005,1.8359,685
2006,2.56492,685
2007,2.15778,685
2008,1.49596,685
2009,1.86447,685
2010,3.10724,685
2011,2.42295,685
2012,2.3934,685
2013,1.51702,685
2014,2.25844,685
2015,2.29762,685
2016,3.77868,685
2017,2.86334,685
2018,2.43021,685
2019,3.31459,685