Year,Value,NumPoints
1851,-0.370573,1186
1852,-0.372423,1201
1853,-0.28113,1253
1854,-0.316832,1367
1855,-0.277273,1343
1856,-0.258644,1405
1857,-0.502872,1453
1858,-0.444136,1369
1859,-0.263703,1421
1860,-0.41752,1293
1861,-0.544344,985
1862,-0.551663,1066
1863,-0.286792,1046
1864,-0.48469,987
1865,-0.394274,950
1866,-0.404716,925
1867,-0.479695,936
1868,-0.437977,979
1869,-0.315362,1137
1870,-0.336817,1316
1871,-0.380852,1271
1872,-0.425688,1313
1873,-0.353098,1400
1874,-0.441249,1358
1875,-0.432286,1439
1876,-0.431317,1435
1877,-0.27062,1428
1878,0.111511,1474
1879,-0.295959,1588
1880,-0.345996,1531
1881,-0.213215,1615
1882,-0.226896,1720
1883,-0.371712,1736
1884,-0.481702,1794
1885,-0.587346,1841
1886,-0.438392,1885
1887,-0.564917,1857
1888,-0.480731,1820
1889,-0.139705,1742
1890,-0.524499,1748
1891,-0.451765,1712
1892,-0.458026,1723
1893,-0.64828,1696
1894,-0.532905,1718
1895,-0.546253,1672
1896,-0.394208,1724
1897,-0.243182,1748
1898,-0.525768,1824
1899,-0.469684,1885
1900,-0.274475,1831
1901,-0.227861,1931
1902,-0.411812,1986
1903,-0.45185,2008
1904,-0.68276,2002
1905,-0.511523,1962
1906,-0.280877,1990
1907,-0.547429,1993
1908,-0.505964,1984
1909,-0.613649,1995
1910,-0.533085,2008
1911,-0.65543,2030
1912,-0.359383,2059
1913,-0.562953,2058
1914,-0.294549,2067
1915,-0.18652,1949
1916,-0.390795,1920
1917,-0.649074,1869
1918,-0.559978,1793
1919,-0.324527,1757
1920,-0.298132,1863
1921,-0.257196,1966
1922,-0.367763,2053
1923,-0.407341,2064
1924,-0.269578,2057
1925,-0.37698,2044
1926,-0.0808243,2065
1927,-0.283494,2083
1928,-0.210722,2065
1929,-0.465065,2063
1930,-0.263887,2061
1931,-0.142205,2087
1932,-0.11984,2123
1933,-0.319893,2151
1934,-0.242915,2149
1935,-0.215969,2108
1936,-0.257733,2201
1937,-0.080836,2164
1938,-0.00858963,2167
1939,-0.10733,2182
1940,0.0472827,1978
1941,0.0273312,1924
1942,0.0633674,1955
1943,-0.0521463,1912
1944,0.163327,1881
1945,0.0579556,1845
1946,-0.0676601,1961
1947,-0.0894294,2121
1948,-0.0908633,2106
1949,-0.136546,2151
1950,-0.226767,2150
1951,-0.185001,2158
1952,0.0236632,2177
1953,0.116962,2143
1954,-0.15009,2167
1955,-0.181601,2181
1956,-0.291247,2348
1957,-0.0894431,2489
1958,0.0263993,2520
1959,0.00476408,2479
1960,-0.179462,2503
1961,0.0318533,2507
1962,-0.0470035,2502
1963,-0.135335,2509
1964,-0.295597,2516
1965,-0.231308,2524
1966,-0.185124,2529
1967,-0.136214,2534
1968,-0.190924,2543
1969,-0.0641068,2542
1970,-0.061162,2550
1971,-0.239914,2526
1972,-0.175448,2537
1973,0.13102,2544
1974,-0.236104,2535
1975,-0.0317067,2528
1976,-0.253007,2516
1977,0.150184,2531
1978,0.0288847,2533
1979,0.00699596,2570
1980,0.2402,2582
1981,0.284193,2566
1982,0.00257686,2562
1983,0.25032,2570
1984,0.0846834,2570
1985,0.0408695,2584
1986,0.145047,2584
1987,0.210502,2580
1988,0.359239,2575
1989,0.113476,2564
1990,0.402222,2578
1991,0.357046,2580
1992,0.250815,2576
1993,0.222965,2559
1994,0.205316,2563
1995,0.414567,2569
1996,0.278758,2573
1997,0.35668,2572
1998,0.651812,2572
1999,0.349779,2576
2000,0.38732,2577
2001,0.444633,2562
2002,0.601901,2573
2003,0.507462,2583
2004,0.476592,2576
2005,0.597846,2578
2006,0.537007,2579
2007,0.655506,2585
2008,0.393429,2581
2009,0.535197,2582
2010,0.759478,2584
2011,0.506311,2585
2012,0.526279,2583
2013,0.585094,2578
2014,0.658122,2581
2015,0.752056,2582
2016,1.03056,2585
2017,0.894741,2586
2018,0.761812,2583
2019,0.874548,2583
2020,1.01303,2576
2021,0.695565,2584