Year,Value,NumPoints 1881,-1.95074,210 1882,1.77462,210 1883,-1.82629,210 1884,-1.18959,210 1885,-2.4977,210 1886,-0.660133,210 1887,-1.53421,210 1888,-1.39467,210 1889,0.0999286,210 1890,1.72593,210 1891,0.638053,210 1892,0.512191,210 1893,-1.78009,210 1894,-0.672172,210 1895,-1.51619,210 1896,0.595672,210 1897,0.201746,210 1898,0.145626,210 1899,-2.31032,210 1900,-0.0974534,210 1901,-0.10388,210 1902,-0.828873,210 1903,-1.1131,210 1904,-1.58605,210 1905,-2.15479,210 1906,0.503403,210 1907,0.580735,210 1908,0.654748,210 1909,0.720839,210 1910,-2.19198,210 1911,0.307345,210 1912,-1.65793,210 1913,-0.477431,210 1914,0.281955,210 1915,-0.86957,210 1916,-0.50408,210 1917,-1.78028,210 1918,-1.98234,210 1919,0.698514,210 1920,-1.06524,210 1921,1.57309,210 1922,-0.42348,210 1923,0.112827,210 1924,0.34132,210 1925,-0.353199,210 1926,0.845591,210 1927,0.714017,210 1928,-0.22432,210 1929,-1.86547,210 1930,0.209509,210 1931,1.3792,210 1932,1.57095,210 1933,-0.264813,210 1934,1.54573,210 1935,0.603654,210 1936,-2.60459,210 1937,-0.840938,210 1938,0.767171,210 1939,0.445342,210 1940,-0.171695,210 1941,1.00979,210 1942,0.230313,210 1943,0.286671,210 1944,0.672443,210 1945,-0.0648279,210 1946,-0.143922,210 1947,0.569391,210 1948,-0.676439,210 1949,-0.751599,210 1950,0.60376,210 1951,0.333141,210 1952,0.597201,210 1953,1.90632,210 1954,1.9294,210 1955,-0.128228,210 1956,-0.215379,210 1957,0.948684,210 1958,0.926341,210 1959,-0.380899,210 1960,0.199529,210 1961,0.35181,210 1962,-0.616656,210 1963,-0.822606,210 1964,-0.732958,210 1965,-0.0403532,210 1966,-0.358495,210 1967,0.450969,210 1968,-0.35091,210 1969,-0.760608,210 1970,-0.110225,210 1971,-0.0554131,210 1972,0.149701,210 1973,-0.480862,210 1974,0.486131,210 1975,0.522053,210 1976,1.32543,210 1977,-1.1691,210 1978,-1.82077,210 1979,-3.04871,210 1980,0.644786,210 1981,1.37213,210 1982,-0.890464,210 1983,1.84203,210 1984,-0.857904,210 1985,-0.875734,210 1986,0.431465,210 1987,1.33152,210 1988,-0.0579964,210 1989,-0.000252485,210 1990,0.740156,210 1991,0.590637,210 1992,2.24878,210 1993,-0.603036,210 1994,-0.350617,210 1995,1.76723,210 1996,0.254886,210 1997,0.55289,210 1998,2.09567,210 1999,2.15267,210 2000,2.26652,210 2001,-0.516988,210 2002,1.90319,210 2003,0.666326,210 2004,0.454974,210 2005,1.73805,210 2006,1.74228,210 2007,0.719145,210 2008,0.153526,210 2009,0.452839,210 2010,-0.73022,210 2011,-0.277499,210 2012,2.31093,210 2013,1.1326,210 2014,-0.567908,210 2015,1.08808,210 2016,2.52336,210 2017,2.0293,210 2018,1.06751,210 2019,0.596248,210 2020,2.09142,210 2021,0.780047,210 2022,1.36525,210 2023,1.4762,210 2024,3.0367,210