Year,Value,NumPoints 1895,-2.00671,20 1896,3.10499,20 1897,-1.32407,20 1898,-5.41817,20 1899,-1.53711,20 1900,-0.701073,20 1901,-3.61935,20 1902,-3.07408,20 1903,-3.80587,20 1904,-3.37472,20 1905,-0.359897,20 1906,-1.5866,20 1907,-2.4436,20 1908,-3.75813,20 1909,1.16351,20 1910,-4.99823,20 1911,0.0590759,20 1912,-1.3999,20 1913,-3.07787,20 1914,-3.16519,20 1915,-3.08106,20 1916,-3.85466,20 1917,-3.89105,20 1918,1.79384,20 1919,-2.57806,20 1920,3.4724,20 1921,-0.670116,20 1922,-0.931189,20 1923,-1.37666,20 1924,-2.10474,20 1925,1.04728,20 1926,-1.53694,20 1927,1.73796,20 1928,-2.71326,20 1929,1.37078,20 1930,0.564936,20 1931,-6.008,20 1932,-5.45822,20 1933,-5.90618,20 1934,2.86882,20 1935,0.346088,20 1936,-1.00463,20 1937,0.0989986,20 1938,1.25692,20 1939,-3.07259,20 1940,4.96165,20 1941,1.2414,20 1942,1.16423,20 1943,6.19119,20 1944,-3.01,20 1945,-0.685747,20 1946,-2.69137,20 1947,-1.32215,20 1948,-1.15806,20 1949,-1.29924,20 1950,8.88581,20 1951,0.155279,20 1952,-1.51903,20 1953,-1.47489,20 1954,-2.23233,20 1955,-5.12138,20 1956,5.855,20 1957,0.434085,20 1958,-3.45738,20 1959,2.9595,20 1960,1.36823,20 1961,1.85874,20 1962,1.49761,20 1963,6.34315,20 1964,-7.06719,20 1965,-0.413898,20 1966,-2.62113,20 1967,-4.93043,20 1968,3.14389,20 1969,3.83851,20 1970,1.23108,20 1971,3.2543,20 1972,-3.92466,20 1973,-4.27374,20 1974,4.14579,20 1975,-3.80407,20 1976,5.13765,20 1977,-0.227067,20 1978,-1.57547,20 1979,-3.22713,20 1980,4.64701,20 1981,-4.19368,20 1982,-2.39631,20 1983,4.00727,20 1984,0.0229242,20 1985,-2.02396,20 1986,1.93777,20 1987,-3.80232,20 1988,-3.23043,20 1989,-2.7867,20 1990,-1.05958,20 1991,4.36894,20 1992,-1.93478,20 1993,-5.20674,20 1994,-0.373951,20 1995,-3.93919,20 1996,9.64236,20 1997,3.89397,20 1998,1.14528,20 1999,1.10184,20 2000,-0.568861,20 2001,-6.45485,20 2002,-1.8584,20 2003,0.339168,20 2004,3.50045,20 2005,0.444456,20 2006,1.22126,20 2007,2.32883,20 2008,2.15595,20 2009,2.34754,20 2010,0.896882,20 2011,3.05178,20 2012,-0.589797,20 2013,3.19741,20 2014,0.741047,20 2015,4.38139,20 2016,-3.32838,20 2017,-0.437809,20 2018,5.92203,20 2019,1.20674,20 2020,4.72985,20