Year,Value,NumPoints
1881,-0.912906,1267
1882,-0.701614,1347
1883,-0.570798,1309
1884,-1.08755,1334
1885,-1.0411,1428
1886,-0.486013,1342
1887,-0.778024,1455
1888,-0.222004,1458
1889,-0.555345,1472
1890,-0.223798,1494
1891,-0.758536,1447
1892,-0.798226,1452
1893,-0.282696,1500
1894,-0.197518,1521
1895,-0.17086,1635
1896,0.0477008,1700
1897,-0.477525,1645
1898,-0.340888,1739
1899,-0.450161,1666
1900,-0.492378,1769
1901,-0.443008,1717
1902,-0.483966,1757
1903,-0.398527,1717
1904,-0.500294,1727
1905,-0.524535,1694
1906,0.0591591,1700
1907,-0.455505,1753
1908,0.0809348,1769
1909,-0.0732964,1796
1910,-0.04246,1803
1911,-0.308174,1740
1912,-1.17023,1813
1913,-0.564088,1788
1914,-0.384932,1827
1915,-0.219747,1835
1916,-0.338097,1834
1917,-0.25268,1823
1918,-0.376535,1803
1919,0.0684596,1806
1920,-0.289397,1798
1921,-0.395552,1823
1922,-0.527187,1823
1923,0.152619,1840
1924,0.042479,1855
1925,-0.288179,1854
1926,0.0837847,1852
1927,0.178281,1923
1928,0.0315745,1929
1929,-0.484255,1935
1930,0.130489,1949
1931,0.456919,2700
1932,0.601279,2700
1933,-0.201618,2700
1934,-0.0650386,2449
1935,0.141657,1944
1936,0.52015,2700
1937,0.186675,2700
1938,0.584948,2700
1939,0.0983297,2700
1940,0.420238,2700
1941,0.270139,2700
1942,0.0706196,2700
1943,0.21829,2460
1944,0.118009,1976
1945,0.124222,1977
1946,-0.298944,2700
1947,-0.146401,2700
1948,0.0504125,2700
1949,-0.193775,2700
1950,-0.0851282,2700
1951,0.241927,2700
1952,0.0606893,2700
1953,0.439976,2700
1954,0.503418,2700
1955,-0.11565,2700
1956,-0.43019,2700
1957,0.298403,2700
1958,0.164215,2700
1959,0.0205843,2700
1960,0.370825,2700
1961,-0.0121388,2700
1962,-0.0577445,2700
1963,-0.298881,2700
1964,-0.274459,2700
1965,-0.348021,2700
1966,0.102144,2700
1967,-0.022002,2700
1968,-0.25866,2700
1969,0.0541408,2700
1970,-0.221406,2700
1971,0.243933,2700
1972,-0.426423,2700
1973,0.0468649,2700
1974,0.306125,2700
1975,-0.00106669,2700
1976,-0.0374088,2700
1977,0.0842186,2700
1978,-0.307043,2700
1979,-0.097631,2700
1980,-0.0285925,2700
1981,0.120165,2700
1982,-0.222137,2700
1983,0.138316,2700
1984,0.0823934,2700
1985,0.094901,2700
1986,-0.422437,2700
1987,-0.0162632,2700
1988,0.528541,2700
1989,0.291093,2700
1990,0.463886,2700
1991,0.846525,2700
1992,-0.601711,2700
1993,0.105157,2700
1994,0.336786,2700
1995,0.631719,2700
1996,-0.294077,2700
1997,0.406795,2700
1998,0.812912,2700
1999,0.295659,2700
2000,0.206077,2700
2001,0.88175,2700
2002,0.765803,2700
2003,1.3311,2700
2004,0.54937,2700
2005,0.881736,2700
2006,1.05515,2700
2007,1.28148,2700
2008,0.797505,2700
2009,1.11557,2700
2010,1.26845,2700
2011,1.22122,2700
2012,1.3789,2700
2013,0.74092,2700
2014,0.967185,2700
2015,0.83095,2700
2016,1.82883,2700
2017,1.03637,2700
2018,0.99131,2700
2019,1.45397,2700
2020,1.5194,2700
2021,1.10054,2700
2022,1.39185,2700
2023,1.85637,2700