Year,Value,NumPoints
1851,-0.960136,850
1852,-0.831058,850
1853,-2.02591,850
1854,0.263851,850
1855,-1.35418,850
1856,-1.49886,850
1857,-1.65746,850
1858,-1.16661,850
1859,-1.62077,850
1860,-0.790588,850
1861,-1.47102,850
1862,-0.514925,850
1863,-3.07711,842
1864,-2.45311,843
1865,-0.913787,842
1866,-0.46892,842
1867,-0.171636,842
1868,-1.03196,849
1869,-3.23775,847
1870,-0.880329,850
1871,-0.700051,850
1872,-0.90841,847
1873,-2.56662,850
1874,-0.228394,850
1875,-0.775901,850
1876,-1.50387,850
1877,-1.2849,850
1878,-1.2801,850
1879,0.736312,850
1880,-1.74528,850
1881,-0.590052,850
1882,-0.377044,850
1883,-1.80235,850
1884,0.228358,850
1885,-1.45232,850
1886,-0.546002,850
1887,-1.78481,850
1888,-1.20827,850
1889,-1.09191,850
1890,-1.25601,850
1891,-0.973228,850
1892,-0.557156,850
1893,-1.21792,850
1894,-0.222593,850
1895,-1.92149,850
1896,-1.38446,850
1897,0.202776,850
1898,-1.66898,850
1899,-0.344357,850
1900,1.01458,850
1901,0.447456,850
1902,-0.0713255,850
1903,-0.285355,850
1904,-0.317832,850
1905,-1.55506,850
1906,-1.02955,850
1907,-0.406525,850
1908,-1.4642,850
1909,-0.843922,850
1910,0.616261,850
1911,-0.920284,850
1912,-0.680913,850
1913,-1.50647,850
1914,0.412514,850
1915,0.504015,850
1916,-1.23765,850
1917,-2.21399,850
1918,0.898452,850
1919,-1.02038,850
1920,0.0859808,850
1921,0.491528,850
1922,0.266304,850
1923,-1.69791,850
1924,0.283866,850
1925,-2.95974,850
1926,0.279736,850
1927,0.780199,850
1928,0.32738,850
1929,-0.309706,850
1930,-1.46266,850
1931,1.1432,850
1932,-1.13867,850
1933,0.389587,850
1934,1.09605,850
1935,-0.418275,850
1936,-0.534692,850
1937,-0.309611,850
1938,1.05039,850
1939,0.159384,850
1940,0.902936,850
1941,0.46968,850
1942,0.159733,850
1943,-0.351016,850
1944,0.540638,850
1945,-0.0974687,850
1946,-0.600268,850
1947,2.43183,850
1948,-0.562197,850
1949,-0.0761579,850
1950,1.72623,850
1951,-0.125495,850
1952,-0.690215,850
1953,1.09462,850
1954,0.279402,850
1955,0.479888,850
1956,1.03596,850
1957,-1.28722,850
1958,0.30372,850
1959,-0.412022,850
1960,0.3457,850
1961,-0.180441,850
1962,1.07102,850
1963,2.7699,850
1964,-0.218253,850
1965,0.426948,850
1966,-0.715117,850
1967,-0.119889,850
1968,0.310479,850
1969,-1.63534,850
1970,-0.977645,850
1971,0.547549,850
1972,-1.00203,850
1973,1.04735,850
1974,-0.176597,850
1975,0.254336,850
1976,-2.20317,850
1977,-0.101121,850
1978,0.131491,850
1979,0.589358,850
1980,-0.84316,850
1981,-1.02201,850
1982,-0.482631,850
1983,0.463666,850
1984,-0.31873,850
1985,0.0564702,850
1986,-0.124621,850
1987,-0.705117,850
1988,-0.185036,850
1989,0.0333986,850
1990,-0.11634,850
1991,0.220498,850
1992,0.13083,850
1993,-0.72126,850
1994,0.0351359,850
1995,0.123871,850
1996,-0.337217,850
1997,-0.13714,850
1998,0.508105,850
1999,0.303106,850
2000,0.436105,850
2001,0.0865349,850
2002,-1.24506,850
2003,1.2308,850
2004,0.618393,850
2005,0.637532,850
2006,-0.862173,850
2007,1.34769,850
2008,-0.110647,850
2009,-1.9773,850
2010,1.03781,850
2011,0.468088,850
2012,-0.150631,850
2013,-0.393474,850
2014,1.40819,850
2015,1.59507,850
2016,1.91353,850
2017,0.812786,850
2018,-0.296755,850
2019,-1.17792,850