Year,Value,NumPoints
1851,-0.0796978,265
1852,-0.363776,271
1853,-0.471088,249
1854,-0.446043,258
1855,-0.179491,62
1856,-0.357457,244
1857,-0.676297,244
1858,-0.467497,244
1859,-0.685022,246
1860,-0.257333,249
1861,-0.375033,241
1862,-1.09778,247
1863,-0.389623,241
1864,-0.260885,238
1865,-0.402264,243
1866,-0.37214,244
1867,-0.344694,237
1868,0.133781,238
1869,0.379158,277
1870,0.0481391,270
1871,-1.01421,263
1872,-0.128594,247
1873,-0.577037,278
1874,0.754601,277
1875,0.335503,279
1876,-0.818653,275
1877,-0.210649,277
1878,-0.178365,279
1879,-0.354329,236
1880,-0.305047,163
1881,0.145295,212
1882,-0.710727,279
1883,0.187723,279
1884,-0.154265,279
1885,0.0625352,279
1886,-1.08916,279
1887,-1.47389,279
1888,-0.38796,279
1889,0.55889,278
1890,-0.652854,279
1891,-0.0804241,275
1892,-0.507391,257
1893,0.0429472,279
1894,-2.3988,279
1895,-0.935173,279
1896,-2.04379,278
1897,-0.636905,279
1898,-0.249914,279
1899,-0.265835,279
1900,-0.168721,279
1901,-1.06146,279
1902,0.0717084,279
1903,-1.07,279
1904,-0.910075,279
1905,1.18031,279
1906,-0.209856,279
1907,-0.912593,279
1908,-0.426165,279
1909,-1.71653,279
1910,-1.14977,279
1911,-0.0730627,279
1912,1.51445,279
1913,-0.0516527,279
1914,0.487078,279
1915,1.19932,279
1916,0.0123605,279
1917,-0.518966,279
1918,-1.15741,279
1919,-0.160807,279
1920,-0.777939,279
1921,-0.260299,279
1922,-0.277905,279
1923,1.2335,279
1924,-0.507723,279
1925,-0.0135812,279
1926,2.71836,279
1927,-0.759932,279
1928,0.715286,279
1929,1.28142,279
1930,-0.522151,279
1931,0.416287,279
1932,-0.921155,279
1933,-0.952522,279
1934,0.165585,279
1935,0.18916,279
1936,0.685078,279
1937,0.904969,279
1938,0.699274,279
1939,-0.706208,279
1940,2.1162,279
1941,0.92343,279
1942,1.79902,279
1943,0.784885,279
1944,0.817426,279
1945,-0.129846,279
1946,0.0243426,279
1947,0.111421,279
1948,-0.739276,279
1949,0.268411,279
1950,0.377368,279
1951,-0.124547,279
1952,-0.123864,279
1953,0.277079,279
1954,0.117848,279
1955,-1.16821,279
1956,-1.57217,279
1957,1.8486,279
1958,0.826662,279
1959,-0.348519,279
1960,0.0296181,279
1961,-0.478802,279
1962,0.839948,279
1963,0.285417,279
1964,-0.804104,279
1965,-0.341568,279
1966,-0.805543,279
1967,0.763851,279
1968,0.29533,279
1969,0.300436,279
1970,0.00832222,279
1971,-1.95876,279
1972,-1.18311,279
1973,-0.612348,279
1974,-0.817828,279
1975,-1.00834,279
1976,0.107336,279
1977,1.09381,279
1978,1.79131,279
1979,1.65288,279
1980,1.10927,279
1981,2.19513,279
1982,-0.394549,279
1983,0.402403,279
1984,-0.355493,279
1985,-0.272269,279
1986,0.110391,279
1987,1.10933,279
1988,0.660147,279
1989,0.42811,279
1990,0.0498582,279
1991,0.825552,279
1992,-0.266951,279
1993,2.06374,279
1994,0.334847,279
1995,1.20396,279
1996,-0.0584279,279
1997,1.53273,279
1998,1.76619,279
1999,-0.606979,279
2000,0.974393,279
2001,1.18102,279
2002,2.05056,279
2003,1.95239,279
2004,1.84093,279
2005,1.54902,279
2006,0.373186,279
2007,1.27475,279
2008,-0.330634,279
2009,0.389768,279
2010,1.53379,279
2011,0.629225,279
2012,-0.459717,279
2013,1.12082,279
2014,2.27252,279
2015,2.38165,279
2016,3.51488,279
2017,1.59551,279
2018,2.56553,279