Year,Value,NumPoints
1851,-0.213081,43476
1852,-0.0774574,43567
1853,-0.0443988,45404
1854,-0.258738,46931
1855,-0.252663,45959
1856,-0.273201,46609
1857,-0.455826,46976
1858,-0.260974,46704
1859,-0.232207,47395
1860,-0.227715,45402
1861,-0.261275,35136
1862,-0.362996,42468
1863,-0.330138,36103
1864,-0.201703,41793
1865,-0.176647,34333
1866,-0.0691061,32855
1867,-0.176983,34347
1868,0.00308473,39500
1869,-0.187382,45832
1870,-0.140981,47360
1871,-0.1836,47188
1872,-0.118418,46689
1873,-0.162351,50870
1874,-0.251259,48328
1875,-0.22899,50942
1876,-0.244659,49580
1877,0.111984,50095
1878,0.0936425,51304
1879,-0.189289,51418
1880,-0.247127,50520
1881,-0.193351,52069
1882,-0.266818,52935
1883,-0.225923,53451
1884,-0.485163,53445
1885,-0.431992,53079
1886,-0.37343,53187
1887,-0.430206,54110
1888,-0.258848,54103
1889,-0.189408,53779
1890,-0.43771,53238
1891,-0.302262,53126
1892,-0.38147,53865
1893,-0.225976,53988
1894,-0.314149,53092
1895,-0.241318,53482
1896,-0.0911813,53813
1897,-0.172185,54117
1898,-0.308547,54553
1899,-0.25858,54595
1900,-0.157606,54368
1901,-0.229469,54604
1902,-0.336309,54743
1903,-0.523061,55521
1904,-0.510576,55489
1905,-0.313456,55533
1906,-0.282507,55496
1907,-0.42194,55432
1908,-0.392585,55519
1909,-0.449373,55522
1910,-0.418655,55533
1911,-0.485967,55528
1912,-0.421282,55546
1913,-0.415786,55537
1914,-0.247443,55512
1915,-0.158848,55210
1916,-0.350893,55035
1917,-0.346002,53623
1918,-0.357256,52730
1919,-0.30176,54065
1920,-0.233745,54523
1921,-0.182086,55266
1922,-0.280666,55531
1923,-0.297136,55428
1924,-0.262068,55455
1925,-0.225779,55460
1926,-0.169346,55415
1927,-0.199796,55395
1928,-0.250981,55413
1929,-0.360678,55365
1930,-0.150519,54986
1931,-0.0168287,55414
1932,-0.186335,55553
1933,-0.272219,55393
1934,-0.136609,55469
1935,-0.197884,55543
1936,-0.107247,55645
1937,0.0369919,55588
1938,-0.0614746,55541
1939,-0.00230806,55396
1940,0.0996488,53788
1941,0.0646153,54350
1942,-0.00153806,53138
1943,0.0719921,53063
1944,0.204753,52106
1945,0.106807,49361
1946,-0.142377,56089
1947,-0.0666142,56283
1948,-0.0560827,57157
1949,-0.171426,56884
1950,-0.0826797,59353
1951,0.104962,61043
1952,0.0963142,55916
1953,0.167985,55681
1954,-0.089014,58174
1955,-0.0240343,61377
1956,-0.195562,64101
1957,0.0871151,64405
1958,-0.069054,64606
1959,0.0217126,64042
1960,-0.00813467,64452
1961,0.0371432,64336
1962,-0.0590815,64059
1963,0.0856239,63787
1964,-0.160742,64412
1965,-0.122177,64795
1966,0.000877809,64724
1967,-0.0129075,64785
1968,-0.142266,64706
1969,-0.006263,64793
1970,-0.0747154,64706
1971,-0.122562,64667
1972,0.044568,64572
1973,0.0776357,64692
1974,0.0228116,64566
1975,-0.0811483,64577
1976,-0.135898,64493
1977,0.276219,64648
1978,-0.0331582,64739
1979,0.0840307,64777
1980,0.253563,64800
1981,0.376169,64799
1982,0.0920869,64799
1983,0.23784,64800
1984,0.0810124,64800
1985,0.105038,64800
1986,0.11757,64800
1987,0.365189,64800
1988,0.380242,64800
1989,0.254577,64800
1990,0.38597,64800
1991,0.484947,64800
1992,0.15438,64800
1993,0.244955,64800
1994,0.310091,64800
1995,0.50905,64800
1996,0.371846,64800
1997,0.473878,64800
1998,0.738907,64800
1999,0.383031,64800
2000,0.422366,64800
2001,0.524709,64800
2002,0.565265,64800
2003,0.559095,64800
2004,0.373278,64800
2005,0.634941,64800
2006,0.618287,64800
2007,0.617917,64800
2008,0.511482,64800
2009,0.723707,64799
2010,0.648891,64800
2011,0.740254,64800
2012,0.649781,64800
2013,0.644792,64800
2014,0.69847,64800
2015,0.791107,64800
2016,0.888007,64800
2017,0.801361,64800
2018,0.804048,64800
2019,0.932732,64800
2020,0.9234,64800