Year,Value,NumPoints
1851,-0.000992099,155
1852,-0.525567,156
1853,-0.395317,158
1854,-0.213163,148
1855,-0.809906,132
1856,-0.590588,140
1857,-0.582942,143
1858,-0.1112,140
1859,-0.345881,143
1860,-0.791144,140
1861,-0.522623,133
1862,-1.34631,150
1863,-0.606398,150
1864,-0.5651,146
1865,-0.891454,146
1866,-0.947647,146
1867,-1.16355,143
1868,-0.65647,129
1869,-0.345249,169
1870,-0.680639,161
1871,-0.966542,167
1872,-0.440116,166
1873,-0.604884,195
1874,-0.148449,177
1875,-0.722682,183
1876,-0.760099,184
1877,-0.641168,185
1878,0.110638,186
1879,-0.616299,185
1880,-0.574271,181
1881,-1.01671,201
1882,-0.947957,220
1883,-0.364489,230
1884,-0.98675,228
1885,-1.21147,240
1886,-0.888873,239
1887,-0.961652,245
1888,-1.12921,228
1889,-0.325328,242
1890,-0.67024,256
1891,-0.841954,244
1892,-1.09111,233
1893,-0.732667,231
1894,-0.431821,239
1895,-0.75722,248
1896,-0.564875,256
1897,-0.369966,265
1898,-0.773284,286
1899,-0.878227,309
1900,-0.632977,312
1901,-0.382717,317
1902,-1.24557,342
1903,-0.372621,343
1904,-0.477664,319
1905,-0.232243,308
1906,-0.168108,313
1907,-0.716631,306
1908,-0.413225,314
1909,-0.61152,333
1910,-0.489442,335
1911,-0.292674,333
1912,-0.851996,344
1913,-0.630028,344
1914,-0.44593,344
1915,-0.545561,347
1916,-0.578874,364
1917,-1.06897,341
1918,-0.997411,340
1919,-0.742598,338
1920,-0.153208,337
1921,-0.043863,372
1922,-0.361185,370
1923,0.00547154,377
1924,0.183955,378
1925,-0.17546,383
1926,0.310206,391
1927,0.0234759,392
1928,0.418832,394
1929,-0.195153,402
1930,0.283162,401
1931,0.336923,411
1932,0.348311,423
1933,-0.291477,431
1934,0.652413,430
1935,0.255861,427
1936,0.234458,431
1937,0.962125,431
1938,1.12056,431
1939,0.50641,431
1940,0.750921,430
1941,-0.114253,431
1942,0.377669,431
1943,1.13797,431
1944,0.994878,431
1945,0.449034,428
1946,-0.103291,431
1947,0.772996,431
1948,0.2014,431
1949,0.200185,431
1950,0.106205,432
1951,0.137743,432
1952,0.17051,432
1953,0.82657,432
1954,0.655816,432
1955,-0.227922,432
1956,-0.0953018,432
1957,0.0926749,432
1958,-0.161519,432
1959,0.470323,432
1960,0.32928,432
1961,-0.0507354,432
1962,0.476684,432
1963,-0.0796731,432
1964,-0.633045,432
1965,-0.2987,432
1966,-0.743321,432
1967,0.397554,432
1968,-0.241268,432
1969,-0.180331,432
1970,-0.2033,432
1971,-0.110274,432
1972,-0.444362,432
1973,0.148552,432
1974,-0.247961,432
1975,0.124259,432
1976,-0.096551,432
1977,0.172592,432
1978,-0.113992,432
1979,-0.597967,432
1980,0.261642,432
1981,1.05917,432
1982,-0.360999,432
1983,0.171904,432
1984,0.125669,432
1985,0.237261,432
1986,0.0170754,432
1987,-0.323028,432
1988,0.615893,432
1989,0.380142,432
1990,0.595491,432
1991,0.760175,432
1992,-0.117703,432
1993,0.552817,432
1994,0.291337,432
1995,1.31597,432
1996,0.728597,432
1997,0.771898,432
1998,0.759212,432
1999,0.44729,432
2000,0.936148,432
2001,0.988826,432
2002,1.18845,432
2003,1.49679,432
2004,0.587269,432
2005,1.8741,432
2006,1.55958,432
2007,1.96964,432
2008,1.46253,432
2009,1.21548,432
2010,1.9828,432
2011,2.09569,432
2012,1.85891,432
2013,1.38835,432
2014,1.88122,432
2015,1.89851,432
2016,2.83939,432
2017,2.27561,432
2018,1.94115,432
2019,2.52497,432
2020,2.71142,432