Year,Value,NumPoints
1851,-0.472945,1162
1852,-0.477761,1167
1853,-0.406304,1253
1854,-0.364827,1372
1855,-0.316618,1397
1856,-0.340642,1378
1857,-0.434244,1472
1858,-0.476121,1384
1859,-0.342955,1378
1860,-0.482254,1208
1861,-0.62434,1123
1862,-0.728956,1053
1863,-0.250186,991
1864,-0.593102,962
1865,-0.481389,934
1866,-0.426696,953
1867,-0.349158,897
1868,-0.692068,924
1869,0.142841,1140
1870,-0.455092,1322
1871,-0.700278,1149
1872,-0.634467,1263
1873,-0.281034,1282
1874,-0.438364,1372
1875,-0.47682,1445
1876,-0.339441,1397
1877,-0.221324,1365
1878,0.232441,1520
1879,-0.266061,1508
1880,-0.450097,1590
1881,-0.228776,1618
1882,-0.120111,1671
1883,-0.501,1680
1884,-0.333981,1762
1885,-0.556972,1812
1886,-0.486302,1905
1887,-0.664104,1858
1888,-0.594184,1795
1889,-0.0071919,1700
1890,-0.465776,1678
1891,-0.598924,1661
1892,-0.290205,1724
1893,-0.874564,1693
1894,-0.429885,1694
1895,-0.647068,1679
1896,-0.336803,1720
1897,-0.353329,1678
1898,-0.559391,1794
1899,-0.565336,1822
1900,-0.215492,1805
1901,-0.261331,1915
1902,-0.22707,1920
1903,-0.231895,1988
1904,-0.772249,2014
1905,-0.72979,1917
1906,-0.398174,2012
1907,-0.627121,1972
1908,-0.413461,1947
1909,-0.532432,1951
1910,-0.524556,1995
1911,-0.705729,2016
1912,-0.312677,2053
1913,-0.559146,2050
1914,-0.268782,2050
1915,-0.223261,1897
1916,-0.2705,1840
1917,-0.728439,1765
1918,-0.666646,1736
1919,-0.280407,1719
1920,-0.538892,1919
1921,-0.281695,1921
1922,-0.420347,2041
1923,-0.502751,2005
1924,-0.30901,2041
1925,-0.485792,2037
1926,-0.0218301,2017
1927,-0.204623,2065
1928,-0.109197,2019
1929,-0.615044,2010
1930,-0.345669,2028
1931,-0.266873,2086
1932,-0.179006,2092
1933,-0.35045,2251
1934,-0.119711,2232
1935,0.0871525,2119
1936,-0.348021,2250
1937,0.0767249,2206
1938,0.00200491,2267
1939,-0.115188,2258
1940,0.0890006,2103
1941,0.147571,1923
1942,0.00856869,1975
1943,0.00117312,1951
1944,0.15895,1894
1945,0.021431,1878
1946,-0.0943588,1999
1947,-0.134972,2298
1948,-0.236907,2230
1949,-0.23984,2206
1950,-0.370133,2204
1951,-0.512399,2286
1952,0.0703346,2308
1953,0.104156,2274
1954,-0.0858492,2238
1955,-0.193089,2332
1956,-0.282611,2451
1957,-0.158477,2572
1958,0.0939463,2565
1959,-0.00378622,2563
1960,0.0232742,2588
1961,0.090828,2592
1962,0.0130234,2580
1963,0.0414614,2582
1964,-0.222331,2570
1965,-0.264847,2557
1966,-0.167267,2577
1967,-0.328543,2584
1968,-0.267255,2569
1969,-0.198699,2577
1970,0.0637593,2592
1971,-0.272615,2592
1972,-0.278546,2576
1973,0.159594,2575
1974,-0.446638,2584
1975,-0.0207308,2578
1976,-0.231906,2582
1977,0.103568,2579
1978,0.0738851,2551
1979,-0.17985,2583
1980,0.360704,2592
1981,0.336547,2592
1982,0.0682171,2592
1983,0.336356,2592
1984,0.0200198,2592
1985,-0.104184,2592
1986,0.309359,2592
1987,0.315996,2592
1988,0.333022,2592
1989,0.237586,2582
1990,0.278848,2592
1991,0.407046,2592
1992,0.348449,2592
1993,0.283531,2585
1994,0.0140154,2592
1995,0.64127,2581
1996,0.461557,2592
1997,0.304423,2592
1998,0.797407,2591
1999,0.60396,2592
2000,0.499152,2592
2001,0.39199,2577
2002,0.642637,2592
2003,0.485624,2591
2004,0.634869,2592
2005,0.533828,2592
2006,0.645556,2592
2007,0.639672,2592
2008,0.2693,2592
2009,0.471278,2592
2010,0.790133,2592
2011,0.42912,2592
2012,0.464709,2592
2013,0.526517,2592
2014,0.490807,2592
2015,0.78175,2592
2016,1.22359,2592
2017,1.06709,2592
2018,0.795791,2592
2019,0.844228,2590
2020,1.11337,2592
2021,0.564545,2592