Year,Value,NumPoints 1895,-0.839929,279 1896,-7.24028,278 1897,1.22184,278 1898,-1.75893,279 1899,-1.76852,279 1900,2.71235,279 1901,-0.618581,279 1902,2.87253,279 1903,0.607769,279 1904,-2.22146,279 1905,3.89878,279 1906,1.92896,279 1907,-6.22635,279 1908,3.70801,279 1909,-3.48212,279 1910,-2.82089,279 1911,2.21133,279 1912,3.56856,279 1913,4.09895,279 1914,2.8475,279 1915,-0.541483,279 1916,0.244929,279 1917,3.87395,279 1918,-0.699809,279 1919,1.12785,279 1920,4.38891,279 1921,-2.0906,279 1922,0.915812,279 1923,3.52577,279 1924,-1.4065,279 1925,-4.44882,279 1926,-0.455948,279 1927,1.35781,279 1928,5.17753,279 1929,4.47697,279 1930,-5.31932,279 1931,2.47767,279 1932,-4.80165,279 1933,-0.914072,279 1934,5.09925,279 1935,3.81025,279 1936,-2.56407,279 1937,-1.81886,279 1938,-1.60579,279 1939,1.36098,279 1940,2.34962,279 1941,5.0852,279 1942,6.51382,279 1943,3.02374,279 1944,5.27556,279 1945,2.9583,279 1946,0.36794,279 1947,1.87736,279 1948,-0.26148,279 1949,-2.57565,279 1950,-5.22799,279 1951,-0.986557,279 1952,-0.0920847,279 1953,1.06596,279 1954,-4.73316,279 1955,-3.33329,279 1956,-3.50753,279 1957,-0.410198,279 1958,1.79844,279 1959,5.38798,279 1960,4.40802,279 1961,-2.03466,279 1962,5.15918,279 1963,2.79371,279 1964,-0.5087,279 1965,-4.23794,279 1966,0.405411,279 1967,0.442267,279 1968,-0.761045,279 1969,-0.295132,279 1970,4.51833,279 1971,-2.60041,279 1972,-2.54037,279 1973,1.09397,279 1974,-5.74325,279 1975,-0.598602,279 1976,-3.98723,279 1977,5.94605,279 1978,3.46538,279 1979,-5.34847,279 1980,5.23394,279 1981,3.05285,279 1982,1.40248,279 1983,2.25363,279 1984,-5.29577,279 1985,-1.68384,279 1986,3.6591,279 1987,2.34664,279 1988,2.91043,279 1989,6.66145,279 1990,-7.40163,279 1991,0.684682,279 1992,-1.16569,279 1993,3.88114,279 1994,0.56923,279 1995,2.72476,279 1996,0.651545,279 1997,5.89058,279 1998,3.51611,279 1999,-3.38829,279 2000,6.48482,279 2001,6.16553,279 2002,2.6765,279 2003,6.19712,279 2004,3.03294,279 2005,2.32715,279 2006,5.01911,279 2007,1.56772,279 2008,-0.790377,279 2009,1.00829,279 2010,4.05465,279 2011,1.77614,279 2012,4.35896,279 2013,1.40894,279 2014,1.95969,279 2015,5.10752,279 2016,7.50884,279 2017,2.14149,279 2018,5.53369,279 2019,6.78255,279 2020,-1.13436,279 2021,-1.53076,279 2022,2.00883,279