Year,Value,NumPoints
1851,-0.361191,850
1852,-0.739016,850
1853,-0.973484,850
1854,0.546332,850
1855,-0.948635,850
1856,0.558303,850
1857,-0.867292,850
1858,-0.541447,850
1859,-0.374079,850
1860,-0.0923207,850
1861,-0.253018,848
1862,-0.0633679,850
1863,-0.588014,845
1864,0.155502,849
1865,-0.907047,849
1866,0.0658772,843
1867,-0.518701,843
1868,0.699468,849
1869,-0.441923,850
1870,0.452508,850
1871,0.00513209,850
1872,-0.698582,844
1873,-0.353658,850
1874,0.392594,850
1875,-0.605781,850
1876,-0.0633102,850
1877,-0.123003,850
1878,0.420569,850
1879,0.144811,850
1880,-0.880553,850
1881,0.164223,850
1882,-1.10563,850
1883,-0.618883,850
1884,-1.04409,850
1885,-0.313815,850
1886,0.258431,850
1887,0.0683949,850
1888,-0.229338,850
1889,-0.355531,850
1890,0.0241729,850
1891,-1.62634,850
1892,-0.847481,850
1893,-0.227673,850
1894,-0.305355,850
1895,-1.42023,850
1896,-0.185446,850
1897,-0.393121,850
1898,-0.466211,850
1899,-0.600082,850
1900,-0.538859,850
1901,1.06673,850
1902,-1.10785,850
1903,-1.15074,850
1904,-1.45172,850
1905,-1.18342,850
1906,-0.939856,850
1907,-0.853633,850
1908,-0.514846,850
1909,-0.818046,850
1910,-0.0131056,850
1911,-0.794503,850
1912,-1.00621,850
1913,-0.575665,850
1914,-0.01745,850
1915,-1.68551,850
1916,0.0389429,850
1917,0.163785,850
1918,-0.966475,850
1919,0.0878135,850
1920,-0.852668,850
1921,0.258467,850
1922,-0.654944,850
1923,-0.226829,850
1924,-1.2121,850
1925,-0.010914,850
1926,-0.428448,850
1927,-0.823646,850
1928,-0.422991,850
1929,-0.284572,850
1930,0.484431,850
1931,0.88328,850
1932,-0.00428467,850
1933,0.493618,850
1934,1.25353,850
1935,0.576448,850
1936,1.4513,850
1937,0.298523,850
1938,-0.155994,850
1939,0.439124,850
1940,0.068975,850
1941,-0.00970783,850
1942,0.0700326,850
1943,0.188038,850
1944,-0.583928,850
1945,-0.537312,850
1946,-0.0625832,850
1947,-0.566942,850
1948,-0.344136,850
1949,0.241292,850
1950,-1.42755,850
1951,-0.0806371,850
1952,0.161331,850
1953,0.192332,850
1954,0.907162,850
1955,0.387579,850
1956,-0.388476,850
1957,0.309804,850
1958,-0.600215,850
1959,-0.0358141,850
1960,0.0945405,850
1961,-0.247088,850
1962,-0.870965,850
1963,-0.00495524,850
1964,0.561857,850
1965,-0.589103,850
1966,0.823527,850
1967,-0.606482,850
1968,-0.433278,850
1969,0.274081,850
1970,0.177044,850
1971,-0.659482,850
1972,-0.788009,850
1973,-0.139869,850
1974,0.27516,850
1975,0.0403471,850
1976,-0.339083,850
1977,0.46963,850
1978,0.139585,850
1979,-0.213573,850
1980,1.18305,850
1981,0.264087,850
1982,-0.19344,850
1983,0.295925,850
1984,-0.230689,850
1985,0.258305,850
1986,-0.0172406,850
1987,-0.0537046,850
1988,0.699826,850
1989,0.402256,850
1990,-0.158613,850
1991,0.245087,850
1992,-1.24197,850
1993,-0.680763,850
1994,0.061786,850
1995,0.0723987,850
1996,0.0217405,850
1997,-0.137974,850
1998,1.15212,850
1999,0.528039,850
2000,0.266892,850
2001,0.559937,850
2002,1.36452,850
2003,1.08626,850
2004,-0.234674,850
2005,1.07673,850
2006,1.6773,850
2007,0.728389,850
2008,0.375977,850
2009,-0.408837,850
2010,0.801494,850
2011,1.49599,850
2012,1.90659,850
2013,0.462718,850
2014,-0.0956436,850
2015,0.280122,850
2016,1.03274,850
2017,1.23793,850
2018,1.11832,850
2019,0.678736,850