Year,Value,NumPoints 1851,-0.0437489,25 1852,-0.483251,24 1853,-0.39418,20 1854,-0.418131,17 1855,9.96921e+36,12 1856,-0.700164,9 1857,-0.867452,10 1858,-0.572069,11 1859,-0.454812,11 1860,-0.510886,18 1861,-0.261272,10 1862,-0.852128,10 1863,-0.601645,11 1864,-0.389858,10 1865,-0.639087,11 1866,-0.379571,11 1867,-0.560866,10 1868,-0.0549187,11 1869,0.198307,23 1870,0.118015,23 1871,-0.852346,20 1872,-0.231703,10 1873,-0.270457,23 1874,1.28294,23 1875,0.176294,23 1876,-0.501966,20 1877,-0.0270154,23 1878,-0.097417,25 1879,-0.588673,19 1880,9.96921e+36,6 1881,-0.141816,20 1882,-0.595924,23 1883,-0.00850962,23 1884,-0.09719,26 1885,0.327386,26 1886,-0.397745,26 1887,-1.23574,23 1888,-0.223089,26 1889,0.287953,23 1890,-0.546008,23 1891,0.00314036,20 1892,-0.380313,20 1893,0.483513,23 1894,-1.21632,23 1895,-0.776681,23 1896,-1.7894,23 1897,-0.174086,23 1898,-0.0634107,24 1899,-0.352088,26 1900,0.258498,26 1901,-1.63431,26 1902,0.888155,26 1903,-0.15123,26 1904,0.315645,26 1905,-0.255815,26 1906,-0.240927,26 1907,-0.298039,26 1908,0.186627,26 1909,-0.361221,26 1910,-1.52618,26 1911,0.0464532,26 1912,0.359793,26 1913,0.753088,26 1914,0.957572,26 1915,0.954609,26 1916,-0.132829,26 1917,0.163595,26 1918,-0.706374,26 1919,-0.971071,26 1920,-1.239,26 1921,0.527763,26 1922,-2.24641,26 1923,1.11348,26 1924,-0.936199,26 1925,0.723128,26 1926,1.3416,26 1927,0.762345,26 1928,0.346994,26 1929,0.608623,26 1930,-0.454485,26 1931,-0.428697,26 1932,-0.5029,26 1933,-0.60058,26 1934,-0.440838,26 1935,-0.259591,26 1936,1.71991,26 1937,0.194482,26 1938,0.568774,26 1939,-0.342669,26 1940,2.04265,26 1941,0.641262,26 1942,0.470385,26 1943,0.925609,26 1944,0.246565,26 1945,-1.5407,26 1946,-0.0239665,26 1947,0.866514,26 1948,-0.871915,26 1949,-1.48753,26 1950,0.138824,26 1951,0.884498,26 1952,-0.983695,26 1953,0.817277,26 1954,0.545508,26 1955,-0.961424,26 1956,0.0564902,26 1957,0.884458,26 1958,0.51749,26 1959,0.127922,26 1960,0.473338,26 1961,-0.0588529,26 1962,0.214324,26 1963,-0.366988,26 1964,-0.524762,26 1965,-1.92609,26 1966,-1.05423,26 1967,0.313074,26 1968,0.283236,26 1969,0.201083,26 1970,-0.249105,26 1971,-0.609476,26 1972,0.921025,26 1973,-1.2631,26 1974,0.354774,26 1975,-0.904431,26 1976,-0.671418,26 1977,0.922488,26 1978,0.994299,26 1979,0.805924,26 1980,0.256365,26 1981,0.638748,26 1982,-0.194014,26 1983,0.368434,26 1984,-0.992518,26 1985,-0.816532,26 1986,-0.12514,26 1987,0.342152,26 1988,0.478813,26 1989,-0.175042,26 1990,1.48746,26 1991,0.724286,26 1992,-0.877883,26 1993,0.881616,26 1994,0.110736,26 1995,0.483247,26 1996,0.0256129,26 1997,1.45952,26 1998,-0.264268,26 1999,-0.256003,26 2000,-0.882332,26 2001,-1.12728,26 2002,0.814318,26 2003,0.937282,26 2004,2.95924,26 2005,1.76632,26 2006,-0.335149,26 2007,1.40188,26 2008,-0.22208,26 2009,0.558469,26 2010,0.414513,26 2011,0.402421,26 2012,-0.579983,26 2013,0.182563,26 2014,0.568278,26 2015,1.39483,26 2016,2.17606,26 2017,1.5042,26 2018,1.38697,26 2019,2.84271,26