Year,Value,NumPoints 1893,-0.922335,26 1894,-2.70201,25 1895,-1.28648,23 1896,-1.13375,27 1897,-1.29306,27 1898,-0.730647,30 1899,-1.41468,30 1900,-1.07573,30 1901,-1.42049,30 1902,-0.770485,30 1903,-1.19613,30 1904,-0.672672,30 1905,0.525874,30 1906,-1.18936,30 1907,-1.22457,30 1908,-0.404681,30 1909,-2.1536,30 1910,-1.48631,30 1911,-0.394166,30 1912,1.2817,30 1913,-0.395229,30 1914,0.789774,30 1915,0.550042,30 1916,-0.768776,30 1917,-1.85114,30 1918,-1.3666,30 1919,-0.388597,30 1920,-1.14614,30 1921,-0.286369,30 1922,-0.317942,30 1923,0.650153,30 1924,-0.619689,30 1925,-0.17154,30 1926,2.38994,30 1927,-0.869822,30 1928,0.782261,30 1929,0.940799,30 1930,-0.374787,30 1931,0.242275,30 1932,-1.0917,30 1933,-1.45217,30 1934,0.510539,30 1935,-0.0179684,30 1936,0.274712,30 1937,1.15822,30 1938,0.968076,30 1939,-0.313422,30 1940,2.30827,30 1941,1.07095,30 1942,0.996097,30 1943,1.18529,30 1944,0.927647,30 1945,-0.0836702,30 1946,-0.629811,30 1947,0.276221,30 1948,-1.04368,30 1949,0.191154,30 1950,0.680673,30 1951,-0.15264,30 1952,0.116885,30 1953,0.372257,30 1954,-0.229562,30 1955,-1.23747,30 1956,-1.86143,30 1957,1.5094,30 1958,0.744835,30 1959,-0.347255,30 1960,0.763457,30 1961,-1.01806,30 1962,1.0242,30 1963,0.696169,30 1964,-1.2383,30 1965,-0.545045,30 1966,-0.830765,30 1967,1.07698,30 1968,0.0961328,30 1969,0.737683,30 1970,0.113045,30 1971,-1.4463,30 1972,-0.669408,30 1973,-0.446648,30 1974,-0.749057,30 1975,-1.17917,30 1976,0.0378565,30 1977,0.900631,30 1978,1.99848,30 1979,1.23512,30 1980,0.527957,30 1981,2.05247,30 1982,0.190066,30 1983,0.804068,30 1984,0.0769932,30 1985,0.452838,30 1986,0.979308,30 1987,1.18106,30 1988,1.0704,30 1989,0.872511,30 1990,0.10796,30 1991,1.05532,30 1992,-0.181192,30 1993,2.33518,30 1994,0.319724,30 1995,1.31402,30 1996,-0.0312294,30 1997,1.62434,30 1998,1.81031,30 1999,-0.684247,30 2000,1.63802,30 2001,1.20984,30 2002,2.71033,30 2003,2.10759,30 2004,2.20004,30 2005,2.06225,30 2006,0.819398,30 2007,1.83273,30 2008,0.11434,30 2009,1.03255,30 2010,1.61403,30 2011,1.19918,30 2012,-0.302995,30 2013,1.48504,30 2014,2.90991,30 2015,2.57352,30 2016,3.78552,30 2017,2.51706,30 2018,3.10588,30