Year,Value,NumPoints
1851,-0.313429,45808
1852,-0.266005,40331
1853,-0.160028,44749
1854,-0.412651,47823
1855,-0.142357,46280
1856,-0.261539,47540
1857,-0.49619,48693
1858,-0.318513,48381
1859,-0.341712,49123
1860,-0.228224,46926
1861,-0.780961,44257
1862,-0.655303,42267
1863,-0.373239,43399
1864,-0.395573,34796
1865,-0.226913,38614
1866,-0.293603,37087
1867,-0.1526,37428
1868,-0.455617,37401
1869,-0.141104,45612
1870,-0.363609,48668
1871,-0.52947,46595
1872,-0.395785,47158
1873,-0.264414,50437
1874,-0.255683,49270
1875,-0.369038,51164
1876,-0.360438,48850
1877,-0.264941,51719
1878,0.135577,51782
1879,-0.148869,53043
1880,-0.424961,51558
1881,-0.166413,51848
1882,-0.0444412,53424
1883,-0.451707,55055
1884,-0.238232,54996
1885,-0.516014,55032
1886,-0.472323,55401
1887,-0.66979,55356
1888,-0.424182,55640
1889,-0.000701189,54027
1890,-0.405698,55389
1891,-0.485663,52820
1892,-0.193246,55104
1893,-0.664484,54568
1894,-0.45886,54024
1895,-0.419814,52985
1896,-0.240705,53228
1897,-0.184457,53403
1898,-0.313742,55397
1899,-0.377568,55913
1900,-0.233311,55465
1901,-0.190675,55526
1902,-0.230791,55676
1903,-0.322094,56170
1904,-0.626966,56835
1905,-0.443266,56529
1906,-0.318522,56528
1907,-0.388172,56449
1908,-0.402427,56814
1909,-0.626022,56606
1910,-0.472546,56629
1911,-0.697558,56720
1912,-0.268637,56734
1913,-0.528227,56834
1914,-0.116212,56706
1915,-0.143235,56681
1916,-0.229243,56138
1917,-0.725043,55275
1918,-0.602347,54333
1919,-0.246429,52234
1920,-0.322533,55790
1921,-0.271688,55777
1922,-0.264213,56716
1923,-0.294874,56311
1924,-0.169168,56265
1925,-0.417756,56174
1926,0.0966804,56511
1927,-0.216635,56435
1928,-0.0676223,56232
1929,-0.364394,56549
1930,-0.335543,56422
1931,-0.119765,56914
1932,-0.0433156,56722
1933,-0.237016,57199
1934,-0.268099,57307
1935,-0.131317,56803
1936,-0.279781,57304
1937,-0.00251,56999
1938,0.0341482,57278
1939,-0.092097,57259
1940,0.182542,56973
1941,0.0985352,53486
1942,0.18018,54045
1943,0.0513485,54810
1944,0.287296,52003
1945,0.072197,51386
1946,-0.0408357,54159
1947,-0.0953521,58271
1948,-0.0741847,58324
1949,-0.160708,58009
1950,-0.22519,58796
1951,-0.325456,61006
1952,0.159309,59283
1953,0.110045,57941
1954,-0.0545553,57879
1955,-0.0161287,60862
1956,-0.174572,64118
1957,-0.075476,64800
1958,0.208335,64800
1959,0.0554301,64800
1960,0.0165921,64800
1961,0.126987,64800
1962,-0.00347432,64800
1963,0.018798,64800
1964,-0.0822243,64800
1965,-0.17336,64800
1966,-0.0921126,64800
1967,-0.133264,64800
1968,-0.147822,64800
1969,-0.0940125,64800
1970,0.172905,64800
1971,-0.149787,64800
1972,-0.220612,64800
1973,0.223541,64796
1974,-0.175849,64800
1975,0.0122693,64771
1976,-0.105726,64790
1977,0.214991,64785
1978,0.119109,64800
1979,0.0617253,64800
1980,0.423787,64800
1981,0.38519,64800
1982,0.234138,64800
1983,0.431383,64800
1984,0.197055,64800
1985,0.0751693,64800
1986,0.268532,64800
1987,0.286725,64800
1988,0.476525,64800
1989,0.218438,64800
1990,0.398967,64800
1991,0.441852,64800
1992,0.424278,64800
1993,0.340697,64800
1994,0.193794,64800
1995,0.544161,64800
1996,0.398939,64800
1997,0.403282,64800
1998,0.711446,64800
1999,0.597459,64800
2000,0.45016,64800
2001,0.434415,64800
2002,0.703076,64800
2003,0.641535,64800
2004,0.705156,64800
2005,0.653567,64800
2006,0.724192,64800
2007,0.843582,64800
2008,0.375821,64800
2009,0.607984,64800
2010,0.815615,64800
2011,0.558576,64800
2012,0.523978,64800
2013,0.62571,64800
2014,0.676175,64800
2015,0.828509,64800
2016,1.22885,64800
2017,1.05222,64800
2018,0.899374,64800
2019,0.940475,64800
2020,1.16272,64800
2021,0.784944,64800
2022,0.874229,64800
2023,0.915053,64800