Year,Value,NumPoints
1881,-0.0623247,11611
1882,-0.0288086,11732
1883,-0.204518,11801
1884,-0.283497,11813
1885,-0.420323,11859
1886,-0.366245,12132
1887,-0.410002,12015
1888,-0.274641,12009
1889,0.0352219,12053
1890,-0.364318,12062
1891,-0.260113,12115
1892,-0.261506,12072
1893,-0.413533,12282
1894,-0.364597,12453
1895,-0.298158,12462
1896,-0.194343,12418
1897,-0.0961673,12574
1898,-0.254618,12565
1899,-0.273715,12611
1900,-0.0955072,12742
1901,-0.078082,12691
1902,-0.241109,12835
1903,-0.28194,12912
1904,-0.524996,12957
1905,-0.327661,12941
1906,-0.202404,12852
1907,-0.40817,12980
1908,-0.402858,13037
1909,-0.553986,12997
1910,-0.403389,13096
1911,-0.546961,13103
1912,-0.212172,13108
1913,-0.420729,13095
1914,-0.174264,13108
1915,-0.0807367,13127
1916,-0.275289,13185
1917,-0.563256,13142
1918,-0.390577,13108
1919,-0.236903,13110
1920,-0.234741,13095
1921,-0.213603,13182
1922,-0.292765,13199
1923,-0.333793,13177
1924,-0.203027,13194
1925,-0.313358,13224
1926,-0.0228866,13276
1927,-0.263394,13289
1928,-0.199051,13296
1929,-0.413661,13313
1930,-0.216107,13297
1931,-0.12916,14047
1932,-0.107911,14049
1933,-0.270785,14058
1934,-0.169655,14057
1935,-0.199275,13321
1936,-0.223769,13691
1937,-0.0621102,14062
1938,0.0166315,14055
1939,-0.0822583,14064
1940,0.118845,14059
1941,0.200477,14067
1942,0.118764,14065
1943,0.0511535,14068
1944,0.239922,13400
1945,0.0793592,13413
1946,0.00801801,14162
1947,0.00498921,14188
1948,-0.0679444,14194
1949,-0.0902294,14169
1950,-0.158124,14286
1951,-0.183364,14330
1952,0.0335414,14189
1953,0.141404,14135
1954,-0.15384,14277
1955,-0.147293,14542
1956,-0.211111,14918
1957,0.0149188,15947
1958,0.113199,16122
1959,0.0908521,16143
1960,-0.0829369,16148
1961,0.11363,16154
1962,0.0510081,16095
1963,-0.011499,16147
1964,-0.176281,16151
1965,-0.12859,16150
1966,-0.0820546,16151
1967,-0.040994,16151
1968,-0.0817416,16154
1969,0.0203625,16000
1970,0.0521463,16060
1971,-0.114137,16072
1972,-0.0683834,16078
1973,0.260313,16042
1974,-0.105701,16046
1975,0.0755429,16070
1976,-0.126786,16066
1977,0.253028,16068
1978,0.0954191,16059
1979,0.0787809,16067
1980,0.307093,16067
1981,0.381663,16067
1982,0.0988635,16065
1983,0.366478,16066
1984,0.180669,16067
1985,0.124679,16067
1986,0.243203,16083
1987,0.293872,16084
1988,0.464301,16069
1989,0.22327,16067
1990,0.496397,16082
1991,0.443361,16081
1992,0.36011,16120
1993,0.302953,16037
1994,0.27939,16105
1995,0.48577,16104
1996,0.31444,16070
1997,0.410176,16117
1998,0.697134,16137
1999,0.396825,16120
2000,0.448819,16137
2001,0.511182,16047
2002,0.700285,16047
2003,0.598003,16048
2004,0.564299,16046
2005,0.680449,16047
2006,0.598226,16047
2007,0.762665,16138
2008,0.489797,16120
2009,0.611071,16138
2010,0.806105,16138
2011,0.575409,16120
2012,0.614698,16138
2013,0.64921,16138
2014,0.740788,16138
2015,0.839851,16138
2016,1.1341,16138
2017,0.983587,16138
2018,0.850337,16138
2019,0.978974,16136
2020,1.11716,16138