Year,Value,NumPoints
1851,-0.127761,1037
1852,-0.371072,1156
1853,-0.432521,1330
1854,-0.40174,1335
1855,-0.389252,1311
1856,-0.552567,1479
1857,-0.689449,1350
1858,-0.373159,1327
1859,-0.286156,1278
1860,-0.592606,1145
1861,-0.45747,970
1862,-0.655161,1016
1863,-0.441819,882
1864,-0.498865,993
1865,-0.332885,890
1866,-0.296062,914
1867,-0.195993,940
1868,-0.400893,1162
1869,-0.281647,1358
1870,-0.262012,1275
1871,-0.488763,1286
1872,-0.335222,1320
1873,-0.462501,1434
1874,-0.417835,1450
1875,-0.52374,1427
1876,-0.614945,1453
1877,0.03734,1419
1878,-0.138579,1567
1879,-0.396811,1536
1880,-0.283768,1628
1881,-0.396206,1710
1882,-0.415792,1692
1883,-0.405345,1789
1884,-0.597795,1841
1885,-0.398531,1852
1886,-0.496817,1840
1887,-0.432153,1867
1888,-0.265127,1787
1889,-0.501677,1752
1890,-0.673539,1723
1891,-0.537946,1767
1892,-0.691286,1654
1893,-0.406694,1750
1894,-0.464855,1669
1895,-0.321118,1760
1896,-0.318334,1795
1897,-0.423047,1777
1898,-0.528745,1803
1899,-0.0463927,1878
1900,-0.264675,1871
1901,-0.393209,1920
1902,-0.575388,1932
1903,-0.63014,2004
1904,-0.391466,1947
1905,-0.211321,1995
1906,-0.529896,1953
1907,-0.558284,2000
1908,-0.649298,1999
1909,-0.374093,2005
1910,-0.67035,2035
1911,-0.34244,1958
1912,-0.561808,2002
1913,-0.362527,1992
1914,-0.207919,1930
1915,-0.161274,1895
1916,-0.512769,1848
1917,-0.449884,1781
1918,-0.23774,1649
1919,-0.559358,1836
1920,-0.366532,1833
1921,-0.196434,1960
1922,-0.249006,2026
1923,-0.0179523,2026
1924,-0.266849,2052
1925,-0.0436356,2003
1926,-0.100858,2060
1927,-0.108322,2085
1928,-0.156848,1999
1929,-0.137895,2066
1930,0.0937332,2007
1931,-0.110616,2076
1932,-0.295122,2140
1933,-0.397369,2175
1934,0.0536693,2139
1935,-0.323518,2119
1936,-0.0427502,2177
1937,0.0782567,2137
1938,0.0788684,2151
1939,0.0531941,1959
1940,0.0254912,1957
1941,-0.0129262,2014
1942,-0.0261183,1966
1943,0.154206,1843
1944,0.108759,1841
1945,0.0213689,1762
1946,-0.0833185,2015
1947,0.0491956,2066
1948,-0.145856,2004
1949,-0.166713,2105
1950,-0.376776,2152
1951,-0.0586633,2131
1952,-0.139213,2086
1953,0.00217627,2099
1954,0.132063,2164
1955,-0.321829,2220
1956,-0.219347,2449
1957,-0.00360191,2503
1958,-0.0386761,2516
1959,-0.181838,2488
1960,-0.213999,2522
1961,-0.0307465,2565
1962,-0.0189449,2524
1963,0.0527521,2516
1964,-0.298728,2564
1965,-0.141924,2553
1966,-0.10698,2550
1967,-0.118872,2553
1968,-0.136604,2558
1969,0.0236319,2556
1970,-0.0583378,2545
1971,-0.152128,2561
1972,-0.053489,2555
1973,-0.025544,2561
1974,-0.129898,2519
1975,-0.264934,2534
1976,-0.145141,2495
1977,0.122821,2533
1978,0.0924065,2547
1979,0.207367,2559
1980,0.205817,2566
1981,0.166079,2581
1982,0.0280761,2576
1983,0.247416,2559
1984,-0.0580437,2580
1985,0.018117,2579
1986,0.0399108,2583
1987,0.185874,2585
1988,0.0286375,2554
1989,0.114951,2560
1990,0.359271,2559
1991,0.253836,2580
1992,-0.0377275,2557
1993,0.0635303,2544
1994,0.353304,2583
1995,0.376211,2576
1996,0.316757,2558
1997,0.615744,2583
1998,0.383145,2565
1999,0.288406,2556
2000,0.245149,2563
2001,0.694557,2552
2002,0.495715,2565
2003,0.499711,2578
2004,0.652954,2559
2005,0.646017,2558
2006,0.661441,2583
2007,0.536048,2584
2008,0.633626,2575
2009,0.706306,2580
2010,0.736701,2574
2011,0.511614,2580
2012,0.721634,2580
2013,0.770889,2579
2014,0.630621,2579
2015,0.996297,2588
2016,0.845367,2576
2017,0.806854,2578
2018,0.745182,2580
2019,0.937823,2578
2020,1.01464,2578
2021,0.85484,2578