Year,Value,NumPoints
1881,-0.92642,924
1882,-0.941972,1020
1883,-1.08589,967
1884,-1.2512,1005
1885,-1.0238,1004
1886,-0.942705,1004
1887,-1.55015,1111
1888,-0.375887,1120
1889,-1.12966,1134
1890,-0.334351,1148
1891,-0.598644,1104
1892,-0.884106,1090
1893,-0.78789,1148
1894,0.13458,1145
1895,-0.625503,1244
1896,-0.169994,1354
1897,-0.652166,1231
1898,-0.480464,1361
1899,-0.752244,1288
1900,-0.703495,1415
1901,-0.910078,1369
1902,-0.633478,1468
1903,-0.822869,1432
1904,-0.0949933,1356
1905,-0.525249,1320
1906,0.372862,1374
1907,-0.193351,1404
1908,-0.428233,1417
1909,-0.163298,1419
1910,0.193429,1414
1911,-0.25306,1371
1912,-1.25749,1477
1913,-0.802129,1453
1914,-0.0296309,1481
1915,-0.49018,1481
1916,-0.396593,1536
1917,-0.546014,1464
1918,-0.604159,1446
1919,0.354548,1446
1920,-0.0891873,1446
1921,-0.574879,1535
1922,-0.678951,1525
1923,0.520638,1547
1924,0.0560824,1492
1925,-0.531874,1547
1926,0.252638,1561
1927,0.187817,1582
1928,0.279436,1582
1929,-0.475735,1582
1930,0.199099,1602
1931,0.200462,2340
1932,0.557126,2340
1933,0.0298774,2340
1934,-0.18262,2340
1935,-0.0189575,1602
1936,0.326379,2340
1937,-0.122319,2340
1938,0.26397,2340
1939,0.143176,2340
1940,0.291063,2340
1941,0.410433,2340
1942,-0.296942,2340
1943,0.160326,2340
1944,-0.156826,1620
1945,0.435683,1620
1946,-0.386847,2340
1947,-0.362856,2340
1948,-0.195794,2340
1949,-0.134228,2340
1950,-0.0632991,2340
1951,0.11882,2340
1952,-0.224534,2340
1953,0.358737,2340
1954,0.799193,2340
1955,-0.0624503,2340
1956,-0.666153,2340
1957,0.609712,2340
1958,0.281115,2340
1959,0.0563333,2340
1960,0.16597,2340
1961,-0.309639,2340
1962,-0.0206654,2340
1963,-0.0973878,2340
1964,-0.0325676,2340
1965,-0.304088,2340
1966,0.190815,2340
1967,-0.356235,2340
1968,-0.0417163,2340
1969,0.0542697,2340
1970,-0.63811,2340
1971,0.176852,2340
1972,-0.259283,2340
1973,0.172765,2340
1974,0.39429,2340
1975,-0.0117295,2340
1976,-0.189205,2340
1977,0.193821,2340
1978,-0.25002,2340
1979,-0.322199,2340
1980,0.214234,2340
1981,0.302655,2340
1982,-0.425858,2340
1983,-0.0486913,2340
1984,-0.332999,2340
1985,-0.184323,2340
1986,-0.539811,2340
1987,-0.0251755,2340
1988,0.108584,2340
1989,0.301235,2340
1990,0.392085,2340
1991,0.753877,2340
1992,-0.624444,2340
1993,-0.222661,2340
1994,0.155229,2340
1995,0.75108,2340
1996,-0.645741,2340
1997,0.0455085,2340
1998,0.608098,2340
1999,-0.070925,2340
2000,0.0757004,2340
2001,0.642761,2340
2002,0.921109,2340
2003,1.11713,2340
2004,0.673064,2340
2005,0.688988,2340
2006,0.632289,2340
2007,1.37119,2340
2008,0.845557,2340
2009,0.938482,2340
2010,1.12394,2340
2011,1.06115,2340
2012,0.882151,2340
2013,0.696016,2340
2014,1.096,2340
2015,0.611427,2340
2016,1.48122,2340
2017,1.0926,2340
2018,0.891328,2340
2019,1.38777,2340
2020,1.43422,2340