Year,Value,NumPoints
1851,-0.38828,81
1852,-0.653637,78
1853,-0.473241,81
1854,-0.43367,80
1855,-0.532261,84
1856,-0.578521,89
1857,-0.867144,89
1858,-0.490572,95
1859,0.186626,97
1860,-0.592681,92
1861,-0.668433,94
1862,-0.739841,91
1863,0.218401,93
1864,-0.607535,94
1865,-0.615411,97
1866,-0.245849,105
1867,-0.788356,105
1868,-0.453351,110
1869,-0.249631,116
1870,-0.456271,118
1871,-0.722605,121
1872,-0.20032,130
1873,-0.467072,144
1874,-0.426982,146
1875,-1.01671,163
1876,-0.356013,165
1877,-0.507085,168
1878,0.233414,177
1879,-0.437581,182
1880,-0.223247,190
1881,-0.673275,203
1882,-0.0939751,210
1883,-0.800826,218
1884,-0.800368,223
1885,-0.977968,230
1886,-0.800811,241
1887,-0.655322,245
1888,-0.887903,254
1889,-0.22488,262
1890,-0.335315,274
1891,-0.70058,287
1892,-0.605262,285
1893,-1.08992,287
1894,-0.372276,294
1895,-0.788241,295
1896,-0.449042,302
1897,-0.356027,312
1898,-0.508164,321
1899,-0.507407,333
1900,-0.393617,337
1901,-0.129265,349
1902,-0.264562,360
1903,-0.301355,366
1904,-0.662844,368
1905,-0.641195,381
1906,-0.156757,384
1907,-0.775752,398
1908,-0.450376,391
1909,-0.670885,406
1910,-0.268708,416
1911,-0.63686,426
1912,-0.329908,436
1913,-0.55473,437
1914,0.0219336,435
1915,-0.114051,433
1916,-0.336065,440
1917,-0.911588,449
1918,-0.621299,446
1919,-0.275119,437
1920,-0.219988,434
1921,0.0633619,445
1922,-0.299239,453
1923,-0.422835,471
1924,-0.426639,481
1925,-0.232084,487
1926,0.000423044,493
1927,-0.325203,505
1928,-0.264434,505
1929,-0.718599,519
1930,-0.197535,522
1931,-0.237364,538
1932,-0.117104,545
1933,-0.440742,566
1934,-0.0960326,573
1935,-0.173003,579
1936,-0.392459,599
1937,-0.186526,611
1938,0.161326,617
1939,-0.0868088,625
1940,-0.210758,632
1941,-0.0578892,659
1942,-0.15036,658
1943,-0.0798324,668
1944,0.128673,661
1945,-0.2207,667
1946,-0.0430908,684
1947,-0.102486,699
1948,0.0298396,713
1949,-0.135349,725
1950,-0.308491,744
1951,-0.361036,803
1952,-0.0428072,818
1953,0.163482,822
1954,-0.279306,835
1955,-0.208576,848
1956,-0.483138,863
1957,-0.209463,873
1958,0.0924504,875
1959,0.0727109,888
1960,-0.144449,892
1961,0.121519,912
1962,0.0353535,917
1963,-0.0893501,921
1964,-0.259687,919
1965,-0.27563,923
1966,-0.14571,926
1967,-0.165778,929
1968,-0.1806,925
1969,-0.287806,933
1970,0.00644704,932
1971,-0.324008,924
1972,-0.356749,924
1973,0.299223,923
1974,-0.306005,917
1975,0.031493,920
1976,-0.326522,916
1977,0.0883438,911
1978,-0.014787,915
1979,-0.102946,914
1980,0.132796,912
1981,0.419283,902
1982,-0.0707835,892
1983,0.324183,894
1984,0.0345532,893
1985,-0.063174,904
1986,0.231667,897
1987,0.221143,894
1988,0.406461,890
1989,0.250768,884
1990,0.589252,885
1991,0.456456,861
1992,0.310828,855
1993,0.307297,853
1994,0.281453,848
1995,0.655749,862
1996,0.226719,843
1997,0.457367,842
1998,0.932234,846
1999,0.589448,843
2000,0.646351,840
2001,0.649148,821
2002,0.945093,820
2003,0.723911,822
2004,0.715005,825
2005,0.831308,817
2006,0.721119,818
2007,1.03315,816
2008,0.620255,818
2009,0.728035,809
2010,0.994306,806
2011,0.634821,795
2012,0.774699,800
2013,0.841398,791
2014,0.900632,782
2015,1.14358,778
2016,1.59116,771
2017,1.27609,752
2018,1.03024,731
2019,1.22757,691
2020,1.5459,689
2021,1.03542,693