Year,Value,NumPoints
1851,-2.23571,850
1852,-0.958482,850
1853,-0.356201,850
1854,-0.318127,850
1855,-2.71107,850
1856,-3.49529,850
1857,0.624609,850
1858,-1.00349,850
1859,-4.09775,850
1860,-1.21962,850
1861,1.77716,844
1862,0.401774,850
1863,-1.14054,846
1864,-1.89113,844
1865,-3.01303,844
1866,-0.199385,844
1867,1.18267,843
1868,-1.39547,844
1869,-1.03249,846
1870,-2.078,850
1871,-1.87994,849
1872,-3.35663,846
1873,-1.39166,850
1874,-0.142586,850
1875,2.11084,850
1876,-3.76928,850
1877,1.97084,850
1878,-2.81666,850
1879,-1.58274,850
1880,-2.74946,850
1881,1.97519,850
1882,-0.884667,850
1883,0.148216,850
1884,-2.57976,850
1885,0.741523,850
1886,-1.47532,850
1887,-1.74136,850
1888,0.838783,850
1889,3.44416,850
1890,0.966211,850
1891,0.744505,850
1892,-1.94483,850
1893,0.291077,850
1894,0.50208,850
1895,-0.720792,850
1896,1.28878,850
1897,-1.2484,850
1898,-2.40313,850
1899,-0.785706,850
1900,0.723573,850
1901,-0.94286,850
1902,-1.3072,850
1903,-1.3835,850
1904,-0.601652,850
1905,-1.04826,850
1906,0.968573,850
1907,0.818294,850
1908,0.160853,850
1909,-3.94053,850
1910,-0.647562,850
1911,-0.473209,850
1912,-0.0202212,850
1913,0.127422,850
1914,-3.34175,850
1915,0.0306272,850
1916,-2.28013,850
1917,-1.9599,850
1918,0.689949,850
1919,-2.27757,850
1920,-0.0633241,850
1921,1.03439,850
1922,0.166249,850
1923,1.52525,850
1924,-2.99004,850
1925,-0.336026,850
1926,-0.974083,850
1927,-2.61426,850
1928,-0.0443522,850
1929,0.378671,850
1930,-0.98557,850
1931,1.09954,850
1932,-1.99189,850
1933,1.68301,850
1934,-0.291198,850
1935,-1.27536,850
1936,0.668123,850
1937,-0.273151,850
1938,0.581667,850
1939,2.46106,850
1940,1.56614,850
1941,1.62526,850
1942,-0.0595032,850
1943,-0.227548,850
1944,-1.21661,850
1945,-2.11964,850
1946,1.66708,850
1947,-0.0345798,850
1948,-0.214933,850
1949,0.144779,850
1950,0.0209342,850
1951,-0.914879,850
1952,0.226834,850
1953,0.386451,850
1954,0.505478,850
1955,-0.726594,850
1956,1.72513,850
1957,2.18615,850
1958,-0.371596,850
1959,1.62631,850
1960,-1.30966,850
1961,-0.966867,850
1962,0.284615,850
1963,-2.64173,850
1964,-0.492471,850
1965,1.56765,850
1966,-0.130447,850
1967,-0.434883,850
1968,-1.53137,850
1969,0.288254,850
1970,0.354523,850
1971,0.56455,850
1972,-1.65611,850
1973,0.384427,850
1974,0.378582,850
1975,0.671439,850
1976,-1.17896,850
1977,0.14892,850
1978,-1.65044,850
1979,1.60163,850
1980,1.10507,850
1981,0.337716,850
1982,1.48602,850
1983,-4.03215,850
1984,0.750164,850
1985,-2.26376,850
1986,0.691566,850
1987,0.757029,850
1988,0.137737,850
1989,-2.90438,850
1990,-1.23076,850
1991,1.35258,850
1992,-0.75588,850
1993,0.551561,850
1994,1.64406,850
1995,0.100229,850
1996,0.321205,850
1997,0.420957,850
1998,1.2476,850
1999,1.57457,850
2000,-2.5597,850
2001,1.58427,850
2002,1.01295,850
2003,1.14159,850
2004,0.993228,850
2005,-0.263699,850
2006,1.78388,850
2007,-0.00267051,850
2008,-0.732293,850
2009,-1.8768,850
2010,-0.409819,850
2011,1.18685,850
2012,1.46384,850
2013,-1.15788,850
2014,1.85887,850
2015,2.92392,850
2016,-0.111474,850
2017,0.557272,850
2018,1.20428,850
2019,1.70416,850
2020,1.32565,850