Year,Value,NumPoints 1895,0.767667,1 1896,-3.51094,2 1897,-2.29338,2 1898,-0.637646,4 1899,-3.7857,6 1900,-0.261155,9 1901,-1.77418,7 1902,-1.1834,8 1903,-0.637097,8 1904,-2.69122,6 1905,2.365,7 1906,1.13147,8 1907,-3.65555,9 1908,-1.42623,7 1909,-2.66232,8 1910,-2.34711,7 1911,-1.13362,11 1912,2.24117,11 1913,-0.219545,10 1914,-0.960243,9 1915,2.41934,11 1916,-1.27214,12 1917,-0.506114,12 1918,-3.26417,12 1919,-0.876282,15 1920,-0.0596674,15 1921,-0.860321,14 1922,-2.20133,14 1923,-0.284268,15 1924,-0.338345,16 1925,-1.66915,14 1926,2.52569,15 1927,-1.20284,17 1928,-0.157126,18 1929,-0.673328,19 1930,-2.39685,18 1931,0.685942,19 1932,-1.44504,18 1933,-1.41845,19 1934,2.01,18 1935,0.776911,17 1936,-2.67766,19 1937,-0.761462,19 1938,-0.012525,19 1939,-0.971896,20 1940,2.67439,19 1941,2.64617,20 1942,1.81733,20 1943,1.08993,20 1944,1.5867,22 1945,0.115023,22 1946,-1.07605,21 1947,0.19817,22 1948,-2.72863,21 1949,-0.528527,21 1950,-1.37723,22 1951,-2.00928,22 1952,-0.168435,22 1953,1.40721,23 1954,-1.9268,23 1955,-2.2356,22 1956,-1.71197,23 1957,0.462981,22 1958,1.01638,23 1959,-0.359061,26 1960,0.00611375,25 1961,-2.37738,25 1962,-0.110871,26 1963,0.41272,25 1964,-1.79185,24 1965,0.00861486,24 1966,-1.60852,25 1967,-0.479415,24 1968,0.680456,25 1969,0.851326,25 1970,2.0163,25 1971,-1.67644,25 1972,-4.06298,26 1973,0.0262068,26 1974,-2.39234,26 1975,-0.636795,26 1976,-0.717716,26 1977,1.94226,26 1978,2.06394,26 1979,-2.50633,25 1980,3.01199,25 1981,2.68915,24 1982,-0.752611,24 1983,0.63612,24 1984,1.02861,23 1985,-1.76153,24 1986,-0.284561,25 1987,1.53679,24 1988,2.46404,25 1989,1.71805,25 1990,0.197064,24 1991,1.60852,25 1992,0.877031,25 1993,3.52667,25 1994,0.154887,23 1995,1.16205,24 1996,1.28382,25 1997,1.88323,24 1998,4.41479,25 1999,0.65949,25 2000,3.24191,24 2001,2.06765,24 2002,-0.00366004,24 2003,1.96196,24 2004,1.57316,25 2005,2.7931,25 2006,1.5189,25 2007,-0.621164,25 2008,-0.174526,24 2009,-0.453417,23 2010,3.88701,25 2011,0.417693,25 2012,1.88158,24 2013,-0.089637,24 2014,0.681262,24 2015,3.31469,24 2016,4.84127,23 2017,0.657567,23 2018,2.00196,23 2019,4.50275,21 2020,0.802614,20 2021,-0.930513,19