Year,Value,NumPoints
1881,-0.0512332,11539
1882,-0.0555899,11656
1883,-0.186802,11686
1884,-0.30259,11738
1885,-0.408248,11761
1886,-0.343825,11990
1887,-0.394018,11932
1888,-0.248577,11928
1889,-0.0162286,11983
1890,-0.364149,11977
1891,-0.247366,12031
1892,-0.280759,12002
1893,-0.364411,12185
1894,-0.340103,12333
1895,-0.276593,12373
1896,-0.164957,12340
1897,-0.095818,12460
1898,-0.256117,12491
1899,-0.245138,12515
1900,-0.102512,12645
1901,-0.103631,12609
1902,-0.253856,12750
1903,-0.316075,12835
1904,-0.525922,12864
1905,-0.309645,12853
1906,-0.209981,12787
1907,-0.401422,12900
1908,-0.406964,12947
1909,-0.515737,12915
1910,-0.393475,13004
1911,-0.517913,13011
1912,-0.286658,13024
1913,-0.41015,13007
1914,-0.18772,13026
1915,-0.109804,13043
1916,-0.292536,13093
1917,-0.486158,13053
1918,-0.377659,13023
1919,-0.253516,13026
1920,-0.247549,13015
1921,-0.210952,13100
1922,-0.293073,13108
1923,-0.328505,13105
1924,-0.232334,13107
1925,-0.290747,13144
1926,-0.062241,13189
1927,-0.250605,13203
1928,-0.200215,13211
1929,-0.39622,13228
1930,-0.204957,13218
1931,-0.101697,13966
1932,-0.138077,13968
1933,-0.255881,13974
1934,-0.152329,13973
1935,-0.202891,13238
1936,-0.189986,13700
1937,-0.0436704,13977
1938,-0.00679319,13973
1939,-0.0745967,13980
1940,0.116567,13975
1941,0.201076,13985
1942,0.0880173,13981
1943,0.0536561,13985
1944,0.227112,13324
1945,0.0960074,13334
1946,-0.0303129,14088
1947,-0.00649562,14109
1948,-0.0776093,14118
1949,-0.0987198,14095
1950,-0.154035,14219
1951,-0.131118,14266
1952,0.0386144,14103
1953,0.118777,14063
1954,-0.163393,14231
1955,-0.120119,14494
1956,-0.202233,14914
1957,0.0345182,15973
1958,0.0833324,16091
1959,0.0705555,16122
1960,-0.0668272,16126
1961,0.0881774,16132
1962,0.0349164,16069
1963,0.0290673,16124
1964,-0.162732,16129
1965,-0.121295,16129
1966,-0.0618916,16126
1967,-0.0231756,16128
1968,-0.0871031,16125
1969,0.00577694,16006
1970,0.0278813,16039
1971,-0.0965572,16046
1972,-0.0272208,16054
1973,0.216267,16013
1974,-0.0663483,16016
1975,0.030543,16048
1976,-0.129548,16046
1977,0.243918,16047
1978,0.0599974,16040
1979,0.0816583,16046
1980,0.284647,16045
1981,0.378882,16046
1982,0.0917045,16043
1983,0.343444,16043
1984,0.183397,16046
1985,0.118768,16046
1986,0.21661,16058
1987,0.298689,16059
1988,0.437104,16048
1989,0.255389,16046
1990,0.478186,16068
1991,0.448658,16065
1992,0.29145,16070
1993,0.269698,16009
1994,0.273909,16085
1995,0.479894,16086
1996,0.351423,16033
1997,0.40152,16094
1998,0.689221,16109
1999,0.385219,16070
2000,0.440329,16110
2001,0.520035,16017
2002,0.670235,16016
2003,0.605791,16017
2004,0.515641,16015
2005,0.664849,16017
2006,0.604409,16017
2007,0.726735,16112
2008,0.50225,16072
2009,0.636562,16112
2010,0.761958,16112
2011,0.613074,16085
2012,0.611451,16112
2013,0.649533,16099
2014,0.725339,16112
2015,0.817074,16112
2016,1.08342,16112
2017,0.947171,16112
2018,0.835701,16112
2019,0.963055,16110
2020,1.05004,16099