Year,Value,NumPoints
1851,-0.193153,39449
1852,-0.239772,44280
1853,-0.546378,47486
1854,-0.0520189,45776
1855,-0.331886,44547
1856,-0.630266,45762
1857,-0.497859,45616
1858,-0.363172,44405
1859,-0.416101,43469
1860,-0.349736,37903
1861,-0.598066,36362
1862,-0.541175,40764
1863,-0.693321,30184
1864,-0.447113,37485
1865,-0.303458,32104
1866,-0.479731,30098
1867,-0.0873503,34135
1868,-0.0756885,40131
1869,-0.239926,49515
1870,-0.404876,43870
1871,-0.343157,46450
1872,-0.257429,49326
1873,-0.291248,48370
1874,-0.414841,48773
1875,-0.248148,49873
1876,-0.372024,50627
1877,0.133868,50038
1878,-0.0738462,52792
1879,-0.168158,50130
1880,-0.372045,51297
1881,-0.292647,52258
1882,-0.376196,53943
1883,-0.299649,53069
1884,-0.489125,53448
1885,-0.333978,53616
1886,-0.453051,53689
1887,-0.445207,53711
1888,-0.103742,53415
1889,-0.308093,52640
1890,-0.353401,52703
1891,-0.387427,52531
1892,-0.253023,53516
1893,-0.281985,53906
1894,-0.23992,53442
1895,-0.268146,53267
1896,-0.0943007,53879
1897,-0.249487,54278
1898,-0.498914,54172
1899,-0.116976,54413
1900,-0.0168179,54370
1901,-0.315393,54223
1902,-0.382519,54489
1903,-0.574481,55240
1904,-0.496942,55234
1905,-0.329685,55249
1906,-0.23068,55253
1907,-0.24863,55238
1908,-0.504292,55260
1909,-0.493966,55255
1910,-0.42669,55290
1911,-0.311323,54338
1912,-0.679378,55277
1913,-0.406826,55269
1914,-0.136083,55239
1915,-0.325877,55194
1916,-0.471494,54350
1917,-0.490591,54549
1918,-0.0791638,51060
1919,-0.235781,53695
1920,-0.196129,55033
1921,-0.0858813,55242
1922,-0.388402,55269
1923,-0.118275,55249
1924,-0.364244,55186
1925,-0.160302,55010
1926,-0.0177129,55269
1927,0.0316013,55252
1928,-0.174739,55176
1929,-0.157068,55214
1930,-0.0772201,55228
1931,0.0461296,55228
1932,-0.0965311,55330
1933,-0.277017,55380
1934,-0.052373,55239
1935,-0.0592775,55271
1936,-0.00365463,55401
1937,0.130469,55391
1938,0.203428,55404
1939,-0.10826,52843
1940,0.0324062,54337
1941,0.23374,54211
1942,-0.014503,53417
1943,0.279663,53949
1944,0.245374,52218
1945,0.180884,51667
1946,0.00639538,55735
1947,0.156198,56211
1948,0.00502339,56168
1949,-0.0284093,56994
1950,-0.161088,58452
1951,0.150496,62121
1952,0.0520631,56718
1953,0.0950541,56578
1954,0.0565826,58555
1955,-0.0197925,62509
1956,-0.278854,64745
1957,0.0854026,64773
1958,0.0564947,64678
1959,0.00141677,64723
1960,0.0838868,64619
1961,0.00591136,64766
1962,-0.0117327,64726
1963,0.119546,64766
1964,-0.23834,64800
1965,-0.0152263,64800
1966,-0.161174,64795
1967,0.0825579,64759
1968,0.105521,64781
1969,0.0969142,64769
1970,0.0125376,64773
1971,-0.0469612,64783
1972,0.00995742,64646
1973,0.0388569,64626
1974,-0.0939489,64515
1975,-0.107901,64651
1976,-0.249131,64371
1977,-0.0129136,64678
1978,-0.0786158,64780
1979,0.160142,64791
1980,0.0723914,64800
1981,0.0525926,64800
1982,0.0586662,64800
1983,0.076036,64800
1984,0.0266564,64800
1985,0.0302216,64800
1986,0.0627564,64800
1987,0.219566,64800
1988,0.230752,64800
1989,0.242802,64800
1990,0.359006,64800
1991,0.252998,64800
1992,-0.0259904,64800
1993,0.185788,64800
1994,0.363514,64800
1995,0.402387,64800
1996,0.120395,64800
1997,0.597789,64800
1998,0.393576,64800
1999,0.314868,64800
2000,0.211577,64800
2001,0.457357,64800
2002,0.538951,64800
2003,0.660792,64800
2004,0.525176,64800
2005,0.736807,64800
2006,0.645801,64800
2007,0.571167,64800
2008,0.633854,64800
2009,0.621168,64800
2010,0.665711,64800
2011,0.578319,64800
2012,0.763284,64800
2013,0.604479,64800
2014,0.757326,64800
2015,0.994366,64800
2016,0.864495,64800
2017,0.770334,64800
2018,0.887986,64800
2019,0.980511,64800