Year,Value,NumPoints 1895,-1.41622,36 1896,-0.451092,39 1897,-0.276232,42 1898,1.76476,43 1899,-1.26497,51 1900,-1.75978,54 1901,0.318997,54 1902,-2.28959,55 1903,-1.27962,56 1904,1.20236,56 1905,0.00183188,54 1906,-0.79979,52 1907,-2.23798,55 1908,-1.35036,53 1909,-0.680235,57 1910,-0.349871,55 1911,-1.04235,56 1912,-0.261796,59 1913,-1.69588,60 1914,-0.700864,60 1915,-0.590415,60 1916,0.58005,60 1917,-1.80993,60 1918,-3.12085,58 1919,-0.527006,57 1920,-0.906918,58 1921,-0.409125,62 1922,0.941684,67 1923,0.55855,68 1924,-0.172175,71 1925,1.53353,69 1926,2.38679,70 1927,-1.22305,75 1928,1.59755,76 1929,0.487399,80 1930,4.18904,81 1931,-0.341921,83 1932,1.31787,84 1933,-0.513318,91 1934,1.82071,99 1935,0.17789,102 1936,-1.18634,110 1937,4.31878,117 1938,1.65156,116 1939,-1.18788,121 1940,-0.117343,127 1941,-2.07618,124 1942,2.09688,127 1943,0.0896804,132 1944,2.77889,128 1945,1.32201,133 1946,0.581811,137 1947,-0.322694,140 1948,0.505675,144 1949,1.88682,150 1950,0.00607025,155 1951,-1.53678,157 1952,-0.715288,156 1953,-0.276136,159 1954,0.0951988,160 1955,2.91982,162 1956,0.118276,165 1957,2.17971,166 1958,0.635258,170 1959,0.524338,179 1960,-0.432999,178 1961,0.292472,179 1962,2.03329,181 1963,1.5111,178 1964,-0.789146,178 1965,-0.565729,178 1966,-3.25258,178 1967,-0.953014,178 1968,-0.603987,178 1969,-0.978773,180 1970,-0.37124,179 1971,-0.613404,180 1972,-1.99788,179 1973,-0.0169279,178 1974,-0.561378,177 1975,-0.356799,181 1976,0.126524,181 1977,2.36135,180 1978,0.901076,181 1979,-0.802729,180 1980,0.262935,179 1981,4.99386,176 1982,-2.23228,172 1983,1.11687,175 1984,1.93977,172 1985,0.590111,176 1986,-0.117014,176 1987,-0.671097,177 1988,1.25121,176 1989,-1.43245,173 1990,-1.38177,176 1991,1.02624,176 1992,1.58383,173 1993,1.7663,175 1994,-0.601951,167 1995,2.54682,172 1996,1.28149,166 1997,0.0177753,164 1998,0.28047,161 1999,-0.9609,164 2000,0.0961245,159 2001,1.26032,164 2002,0.826992,165 2003,1.66063,161 2004,0.912772,164 2005,2.67464,157 2006,-0.523339,162 2007,4.02628,160 2008,2.16115,161 2009,2.07757,154 2010,0.828701,154 2011,2.9244,153 2012,1.3888,154 2013,1.17962,153 2014,1.36112,147 2015,1.92398,150 2016,4.05977,142 2017,3.25762,131 2018,3.43245,130 2019,1.75252,116 2020,3.4455,119 2021,1.02147,114