Year,Value,NumPoints
1851,0.0406268,269
1852,0.240059,265
1853,0.168458,270
1854,-0.57722,258
1855,0.165424,13
1856,0.888745,238
1857,-0.517818,244
1858,-0.275283,242
1859,-0.18743,239
1860,0.116948,242
1861,-0.16077,241
1862,-1.14162,249
1863,0.0855759,245
1864,0.142093,240
1865,0.230416,244
1866,-0.00489292,252
1867,-0.470525,242
1868,0.285235,239
1869,0.535859,276
1870,0.497731,277
1871,-1.22591,277
1872,0.555031,238
1873,-1.39383,277
1874,0.93109,277
1875,1.86325,278
1876,-1.20468,277
1877,-0.437131,277
1878,-0.483591,279
1879,0.584425,278
1880,-0.669759,277
1881,-0.291067,52
1882,-1.10229,279
1883,1.62094,279
1884,1.32432,279
1885,-0.55334,279
1886,-3.37819,279
1887,-2.05436,279
1888,0.761967,279
1889,2.11246,278
1890,-0.197262,279
1891,0.772711,271
1892,0.183216,272
1893,0.307721,278
1894,-3.71828,279
1895,-1.01813,278
1896,-4.45061,278
1897,-0.256976,278
1898,1.18292,279
1899,-0.664799,279
1900,0.43581,279
1901,-1.18726,279
1902,-0.272558,279
1903,-0.783024,279
1904,-1.56269,279
1905,3.3549,279
1906,-0.66009,279
1907,-1.83732,279
1908,1.0491,279
1909,-3.37281,279
1910,-2.01105,279
1911,-1.08759,279
1912,4.36483,279
1913,0.854146,279
1914,1.04936,279
1915,2.1947,279
1916,-0.727466,279
1917,0.743326,279
1918,-1.47973,279
1919,-0.136918,279
1920,0.151248,279
1921,-1.06917,279
1922,0.904887,279
1923,0.859913,279
1924,1.44954,279
1925,-3.10055,279
1926,4.35033,279
1927,0.498717,279
1928,2.33815,279
1929,2.72476,279
1930,-0.445703,279
1931,2.24691,279
1932,-1.71846,279
1933,-1.821,279
1934,-0.153837,279
1935,1.84295,279
1936,-0.315188,279
1937,1.80857,279
1938,-0.777158,279
1939,-0.52038,279
1940,2.81359,279
1941,2.16696,279
1942,4.58835,279
1943,0.105062,279
1944,2.35507,279
1945,2.83023,279
1946,0.124531,279
1947,-0.621637,279
1948,0.325477,279
1949,1.18018,279
1950,0.555344,279
1951,-2.97736,279
1952,-0.800405,279
1953,-1.02546,279
1954,-1.45315,279
1955,0.194429,279
1956,-2.60065,279
1957,2.33616,279
1958,2.31533,279
1959,-0.639264,279
1960,1.83384,279
1961,-0.327068,279
1962,2.50688,279
1963,2.63757,279
1964,-1.66631,279
1965,0.316682,279
1966,-1.93016,279
1967,1.27689,279
1968,0.999006,279
1969,-0.353709,279
1970,1.82831,279
1971,-4.38954,279
1972,-3.54496,279
1973,-0.927575,279
1974,-2.63727,279
1975,-0.743889,279
1976,-1.34802,279
1977,4.00541,279
1978,4.0554,279
1979,0.629316,279
1980,2.42954,279
1981,6.6797,279
1982,0.640188,279
1983,1.01809,279
1984,0.00362619,279
1985,3.11574,279
1986,1.78314,279
1987,2.84859,279
1988,3.08721,279
1989,0.398016,279
1990,-1.7358,279
1991,1.25877,279
1992,1.28972,279
1993,3.05795,279
1994,1.16143,279
1995,1.28099,279
1996,1.29375,279
1997,1.68314,279
1998,3.10673,279
1999,-1.82391,279
2000,3.47049,279
2001,5.08195,279
2002,3.4124,279
2003,4.01809,279
2004,0.975876,279
2005,3.40864,279
2006,0.565214,279
2007,-0.246968,279
2008,0.185225,279
2009,-0.199773,279
2010,1.65307,279
2011,2.36407,279
2012,-1.74933,279
2013,2.28555,279
2014,4.61608,279
2015,4.11674,279
2016,6.81972,279
2017,0.959245,279
2018,4.55703,279
2019,6.46918,279
2020,-0.987782,279