Year,Value,NumPoints 1895,-1.22875,63 1896,-5.45078,60 1897,-2.55261,63 1898,-4.553,74 1899,-2.9703,74 1900,1.34242,74 1901,-1.92998,74 1902,3.50985,74 1903,0.994801,74 1904,-3.78553,74 1905,3.50642,74 1906,1.71077,74 1907,-6.94531,74 1908,3.16493,74 1909,-4.52386,74 1910,-3.64577,74 1911,2.3651,74 1912,4.23233,74 1913,3.61675,74 1914,2.34808,74 1915,-0.361533,74 1916,-0.604223,74 1917,1.92727,74 1918,-1.46517,74 1919,0.664027,74 1920,5.31962,74 1921,-2.10669,74 1922,-0.126355,74 1923,3.53347,74 1924,-0.989018,74 1925,-4.37886,74 1926,0.125379,74 1927,1.97916,74 1928,4.97133,74 1929,4.33897,74 1930,-5.49093,74 1931,3.73043,74 1932,-5.29834,74 1933,-1.14816,74 1934,5.28848,74 1935,4.34506,74 1936,-3.74081,74 1937,-1.94276,74 1938,-1.68325,74 1939,0.989104,74 1940,2.61754,74 1941,5.07249,74 1942,6.34586,74 1943,2.82611,74 1944,4.93136,74 1945,3.18854,74 1946,0.454235,74 1947,1.55679,74 1948,-1.34726,74 1949,-3.39906,74 1950,-5.24487,74 1951,-1.42222,74 1952,0.428249,74 1953,1.90227,74 1954,-4.87803,74 1955,-2.67537,74 1956,-3.47071,74 1957,-0.528519,74 1958,1.50539,74 1959,4.16756,74 1960,3.93637,74 1961,-1.4748,74 1962,3.87193,74 1963,2.88072,74 1964,0.623957,74 1965,-4.30491,74 1966,0.0543653,74 1967,-0.131851,74 1968,0.407811,74 1969,-0.855778,74 1970,5.03941,74 1971,-0.883679,74 1972,-3.06909,74 1973,-0.00397998,74 1974,-4.34069,74 1975,-1.89848,74 1976,-3.76233,74 1977,6.68301,74 1978,3.51047,74 1979,-6.54629,74 1980,5.23365,74 1981,3.17034,74 1982,0.0878186,74 1983,2.17472,74 1984,-2.80308,74 1985,-2.27308,74 1986,2.90278,74 1987,3.42504,74 1988,2.97307,74 1989,2.65003,74 1990,-7.20304,74 1991,1.50617,74 1992,-1.02534,74 1993,3.33848,74 1994,-0.833161,74 1995,2.15904,74 1996,0.450132,74 1997,6.63816,74 1998,4.17534,74 1999,-3.95454,74 2000,6.29327,74 2001,5.0857,74 2002,2.57463,74 2003,6.62423,74 2004,4.02079,74 2005,2.1792,74 2006,4.2736,74 2007,0.373053,74 2008,-0.706157,74 2009,0.357875,74 2010,4.51947,74 2011,0.561001,74 2012,5.0115,74 2013,2.48128,74 2014,0.703207,74 2015,4.06229,74 2016,7.23228,74 2017,1.93189,74 2018,3.43049,74 2019,4.34554,74 2020,-0.537564,74 2021,-1.94587,74