Year,Value,NumPoints 1895,-1.517,279 1896,0.440758,279 1897,-2.38574,279 1898,-1.0804,279 1899,-0.248012,279 1900,0.459556,279 1901,0.47003,279 1902,0.237597,279 1903,-0.0903342,279 1904,-0.8939,279 1905,-2.07511,279 1906,0.0983475,279 1907,-0.175148,279 1908,-2.50198,279 1909,-1.41492,279 1910,0.976281,279 1911,1.24825,279 1912,-0.132532,279 1913,-1.31812,279 1914,-1.97196,279 1915,0.431021,279 1916,-0.0836234,279 1917,-0.553092,279 1918,0.431683,279 1919,-0.133005,279 1920,-0.922828,279 1921,-1.46016,279 1922,-1.40949,279 1923,-0.0923902,279 1924,-1.19049,279 1925,1.11386,279 1926,2.01229,279 1927,-1.90176,279 1928,-1.24517,279 1929,2.13828,279 1930,-0.713422,279 1931,-0.749934,279 1932,-1.15991,279 1933,-1.38559,279 1934,0.440544,279 1935,-0.46418,279 1936,-0.509231,279 1937,1.18594,279 1938,0.829401,279 1939,-0.731874,279 1940,0.567962,279 1941,0.329761,279 1942,1.77637,279 1943,-0.500822,279 1944,-0.451191,279 1945,-0.20281,279 1946,-0.71733,279 1947,-0.883922,279 1948,-1.79726,279 1949,1.58975,279 1950,0.533339,279 1951,0.420213,279 1952,-0.996696,279 1953,0.149089,279 1954,0.138127,279 1955,-0.592373,279 1956,-0.688905,279 1957,0.200443,279 1958,-0.215544,279 1959,-0.502957,279 1960,-1.44621,279 1961,0.345568,279 1962,-1.15005,279 1963,0.881389,279 1964,0.378126,279 1965,1.25128,279 1966,0.753252,279 1967,0.292849,279 1968,-0.948975,279 1969,0.9139,279 1970,-2.25956,279 1971,-0.61202,279 1972,-1.10229,279 1973,0.39586,279 1974,1.95902,279 1975,-0.759657,279 1976,0.838726,279 1977,1.12531,279 1978,1.35104,279 1979,1.08861,279 1980,-1.20757,279 1981,-0.804916,279 1982,0.563048,279 1983,-2.01242,279 1984,0.765929,279 1985,-0.508518,279 1986,0.653647,279 1987,-0.797429,279 1988,-0.264605,279 1989,1.59343,279 1990,-0.0933625,279 1991,1.45657,279 1992,-4.71407,279 1993,-0.500706,279 1994,-0.557178,279 1995,2.8143,279 1996,-1.61157,279 1997,2.19761,279 1998,0.690534,279 1999,0.746505,279 2000,-1.04729,279 2001,1.06259,279 2002,1.22729,279 2003,-0.795153,279 2004,-1.49607,279 2005,1.17947,279 2006,2.03197,279 2007,1.55597,279 2008,0.244185,279 2009,0.606973,279 2010,1.42251,279 2011,1.04724,279 2012,-0.100277,279 2013,-0.499382,279 2014,1.01752,279 2015,-1.0472,279 2016,0.924002,279 2017,1.02947,279 2018,1.89112,279 2019,2.00927,279 2020,0.726159,279 2021,-0.601114,279 2022,1.3009,279