Year,Value,NumPoints
1851,0.406322,76
1852,-0.165009,79
1853,-0.479309,81
1854,0.0903038,80
1855,-0.473855,85
1856,-0.781531,88
1857,-0.46822,91
1858,-0.0532224,95
1859,-0.368304,96
1860,-0.23874,93
1861,-0.297434,92
1862,-0.261541,94
1863,-0.123947,91
1864,-0.399435,95
1865,0.361992,98
1866,0.0796779,106
1867,-0.0812605,108
1868,-0.386353,112
1869,-0.00535783,114
1870,-0.319243,118
1871,-0.650875,123
1872,-0.124941,129
1873,-0.488903,145
1874,0.0964658,147
1875,-0.611036,167
1876,-0.202821,169
1877,-0.312484,171
1878,0.316726,178
1879,-0.342702,183
1880,-0.169557,192
1881,-0.0441958,205
1882,-0.117238,213
1883,-0.387939,221
1884,-0.517388,224
1885,-0.475594,234
1886,-0.17676,240
1887,-0.16405,247
1888,-0.271868,254
1889,-0.49654,266
1890,-0.177398,277
1891,-0.0581457,284
1892,-0.0834049,287
1893,-0.284785,294
1894,-0.546819,294
1895,-0.0226268,300
1896,-0.181883,306
1897,0.14976,313
1898,-0.0659254,326
1899,0.0696486,334
1900,-0.18188,337
1901,-0.140348,352
1902,-0.403774,364
1903,-0.355345,365
1904,-0.496383,367
1905,-0.0918911,377
1906,-0.23214,385
1907,-0.333806,391
1908,-0.186443,398
1909,-0.0108465,409
1910,-0.219072,418
1911,-0.195619,425
1912,-0.68783,436
1913,-0.253438,435
1914,-0.174149,439
1915,-0.0158508,438
1916,-0.331405,439
1917,-0.0886303,453
1918,-0.213648,445
1919,-0.0320647,430
1920,-0.0451996,435
1921,-0.176402,447
1922,-0.168351,457
1923,-0.137578,478
1924,-0.028973,484
1925,-0.128812,491
1926,0.00713739,498
1927,0.073404,500
1928,-0.0138051,504
1929,-0.229778,520
1930,-0.120116,516
1931,0.012539,540
1932,0.121968,548
1933,-0.0656393,568
1934,-0.149676,563
1935,-0.117543,582
1936,0.00312495,605
1937,0.287048,606
1938,0.280124,621
1939,-0.102786,624
1940,0.159372,631
1941,-0.187086,655
1942,0.0977026,658
1943,0.0428037,662
1944,0.378418,666
1945,0.157689,671
1946,0.0441287,684
1947,0.0888089,700
1948,0.0189297,710
1949,-0.0817614,727
1950,-0.140246,752
1951,0.210075,815
1952,0.125952,818
1953,0.106923,825
1954,0.00434588,838
1955,-0.0239314,846
1956,-0.414468,865
1957,0.0621059,876
1958,-0.108622,877
1959,0.0536599,892
1960,0.0553309,898
1961,0.0478481,914
1962,-0.0232595,917
1963,0.145787,921
1964,-0.280106,917
1965,-0.19577,924
1966,-0.0174279,928
1967,-0.122768,929
1968,-0.193483,925
1969,-0.067652,933
1970,0.00777055,932
1971,-0.0105989,927
1972,-0.224615,920
1973,-0.0417774,921
1974,-0.239142,913
1975,0.0499834,915
1976,-0.217253,915
1977,0.0225775,912
1978,-0.0752247,917
1979,0.0790231,911
1980,0.0971473,911
1981,0.107031,899
1982,0.085621,900
1983,0.394344,897
1984,-0.135829,891
1985,-0.0328479,901
1986,-0.0796196,892
1987,0.319704,899
1988,0.377926,887
1989,0.22435,882
1990,0.221147,883
1991,0.360405,858
1992,-0.237184,855
1993,-0.0899156,852
1994,0.317092,855
1995,0.48442,859
1996,0.10938,837
1997,0.536453,837
1998,0.747634,851
1999,0.585937,837
2000,0.381525,844
2001,0.579358,817
2002,0.680493,826
2003,0.75389,817
2004,0.5509,814
2005,0.97298,821
2006,0.778824,815
2007,0.821787,824
2008,0.602122,821
2009,1.00844,801
2010,0.805726,815
2011,0.861449,798
2012,0.926081,804
2013,0.796367,797
2014,0.835431,781
2015,1.08663,771
2016,1.23778,760
2017,1.0674,753
2018,0.939823,726
2019,1.10173,711
2020,1.21177,687
2021,1.11282,699