Year,Value,NumPoints
1851,0.282955,850
1852,-1.76672,850
1853,-0.56433,850
1854,0.0168287,850
1855,0.00299572,850
1856,-1.45174,850
1857,-0.833355,850
1858,-0.712028,850
1859,-1.84288,850
1860,-1.06845,850
1861,-0.944526,850
1862,-0.106829,850
1863,-0.74808,848
1864,-0.283288,843
1865,1.22642,845
1866,-1.47445,842
1867,0.344063,842
1868,-1.88039,849
1869,-0.823068,850
1870,-0.301928,849
1871,-0.850539,850
1872,-0.802647,850
1873,-1.21155,850
1874,-0.501304,850
1875,-1.12678,850
1876,-1.05278,850
1877,-0.251071,850
1878,-1.114,850
1879,-0.774964,850
1880,-1.20199,850
1881,-0.127894,850
1882,-0.75766,850
1883,-1.03918,850
1884,-0.353223,850
1885,-0.667057,850
1886,-0.499273,850
1887,-0.594964,850
1888,-0.35,850
1889,-1.36897,850
1890,-0.997287,850
1891,0.321638,850
1892,-0.0702854,850
1893,-0.669568,850
1894,-0.394133,850
1895,0.297233,850
1896,-1.16294,850
1897,0.652212,850
1898,0.111947,850
1899,-0.25531,850
1900,-0.0328245,850
1901,-1.03625,850
1902,-1.27139,850
1903,-1.32899,850
1904,-0.130643,850
1905,0.364323,850
1906,0.606637,850
1907,-0.540675,850
1908,0.174568,850
1909,-0.464577,850
1910,0.26422,850
1911,0.500706,850
1912,-1.28734,850
1913,-0.801143,850
1914,-0.326806,850
1915,-0.387597,850
1916,-0.889206,850
1917,-0.620808,850
1918,-1.73511,850
1919,0.228867,850
1920,0.083839,850
1921,0.761004,850
1922,1.07821,850
1923,-0.0800705,850
1924,-1.31757,850
1925,0.778287,850
1926,-0.586231,850
1927,-0.0939322,850
1928,-1.02775,850
1929,-0.945269,850
1930,0.322403,850
1931,1.57682,850
1932,-0.263536,850
1933,1.3438,850
1934,-0.716405,850
1935,-0.22225,850
1936,0.605575,850
1937,0.325522,850
1938,0.780092,850
1939,1.19929,850
1940,0.13686,850
1941,-0.283727,850
1942,-0.726745,850
1943,-0.394267,850
1944,0.124536,850
1945,-0.0515081,850
1946,-0.248103,850
1947,0.83893,850
1948,0.604865,850
1949,-0.612616,850
1950,-0.766126,850
1951,-0.440096,850
1952,0.513033,850
1953,0.676393,850
1954,0.834953,850
1955,0.537042,850
1956,0.0928463,850
1957,-0.320391,850
1958,0.312992,850
1959,-0.0102718,850
1960,0.868022,850
1961,-0.765598,850
1962,-0.334799,850
1963,0.830541,850
1964,-0.594277,850
1965,-1.6137,850
1966,-0.0824092,850
1967,-0.354663,850
1968,-0.415505,850
1969,0.478477,850
1970,-0.0731718,850
1971,-0.157325,850
1972,-0.155707,850
1973,-0.148231,850
1974,-1.29943,850
1975,-0.987457,850
1976,-0.256574,850
1977,0.648964,850
1978,0.62845,850
1979,0.765212,850
1980,0.822677,850
1981,0.137452,850
1982,-0.362732,850
1983,0.536351,850
1984,-0.837577,850
1985,-1.03291,850
1986,-0.547713,850
1987,0.314729,850
1988,-0.0823583,850
1989,-0.319393,850
1990,1.44023,850
1991,0.106415,850
1992,-0.0391439,850
1993,-0.759166,850
1994,0.465924,850
1995,0.0112885,850
1996,-0.639309,850
1997,0.961079,850
1998,2.33679,850
1999,-0.13415,850
2000,0.495067,850
2001,0.55282,850
2002,1.21318,850
2003,0.185616,850
2004,0.548097,850
2005,1.48838,850
2006,-0.694673,850
2007,0.979128,850
2008,0.303648,850
2009,0.948506,850
2010,0.985981,850
2011,0.794334,850
2012,0.905364,850
2013,1.2338,850
2014,0.760759,850
2015,2.0697,850
2016,1.34881,850
2017,0.85142,850
2018,1.50476,850
2019,2.00088,850