Year,Value,NumPoints 1900,-1.44967,12 1901,-1.21561,12 1902,-1.37875,12 1903,-1.09861,12 1904,-0.888981,12 1905,-1.35913,12 1906,-0.645289,12 1907,-0.622537,12 1908,-1.14792,12 1909,-0.847862,12 1910,-1.15865,12 1911,-1.27722,12 1912,-1.23392,12 1913,-1.73749,12 1914,-1.21223,12 1915,-0.912726,12 1916,-1.19845,12 1917,-1.23069,12 1918,-1.07599,12 1919,-1.08243,12 1920,-1.05537,12 1921,-1.19509,12 1922,-1.27419,12 1923,-1.15565,12 1924,-1.25607,12 1925,-1.28909,12 1926,-0.833978,12 1927,-0.390066,12 1928,-0.985553,12 1929,-1.1683,12 1930,-1.29457,12 1931,-0.932266,12 1932,-1.26305,12 1933,-0.927654,12 1934,-1.38682,12 1935,-1.28,12 1936,-0.923423,12 1937,-0.771617,12 1938,-0.952461,12 1939,-1.31895,12 1940,-1.3249,12 1941,-1.01635,12 1942,-0.808222,12 1943,-0.853182,12 1944,-1.13525,12 1945,-1.02994,12 1946,-1.14749,12 1947,-1.23691,12 1948,-1.3689,12 1949,-1.20554,12 1950,-1.41543,12 1951,-1.50987,12 1952,-1.17091,12 1953,-1.37809,12 1954,-1.26023,12 1955,-1.28765,12 1956,-1.50891,12 1957,-1.64917,12 1958,-0.669765,12 1959,-1.38386,12 1960,-1.18421,12 1961,-1.31155,12 1962,-1.24438,12 1963,-1.24613,12 1964,-1.35413,12 1965,-1.32526,12 1966,-1.26144,12 1967,-0.893989,12 1968,-1.00861,12 1969,-1.11386,12 1970,-1.3546,12 1971,-1.16868,12 1972,-1.29136,12 1973,-1.11145,12 1974,-0.936472,12 1975,-1.16892,12 1976,-1.29535,12 1977,-1.09105,12 1978,-1.04714,12 1979,-0.323454,12 1980,-0.615455,12 1981,-0.882945,12 1982,-0.961132,12 1983,-1.13171,12 1984,-0.753116,12 1985,-0.643716,12 1986,-0.490506,12 1987,-0.894684,12 1988,-1.01985,12 1989,-1.04974,12 1990,-0.88612,12 1991,-0.968408,12 1992,-0.648737,12 1993,-1.00946,12 1994,-0.739507,12 1995,-1.12281,12 1996,-0.833575,12 1997,-0.768652,12 1998,-0.695067,12 1999,-1.05289,12 2000,-1.36335,12 2001,-0.241881,12 2002,-1.00817,12 2003,-0.392071,12 2004,-0.354318,12 2005,-0.580823,12 2006,-1.08962,12 2007,-0.589681,12 2008,-0.688617,12 2009,-1.16613,12 2010,-0.930315,12 2011,-0.821141,12 2012,-1.04862,12 2013,-1.17843,12 2014,-0.603702,12 2015,-0.397276,12 2016,0.0877543,12 2017,0.62625,12 2018,1.06607,12 2019,0.465054,12 2020,-0.186181,12 2021,-0.455854,12 2022,-1.10501,12