Year,Value,NumPoints 1900,0.176037,8575 1901,-0.013631,8567 1902,-0.663645,8600 1903,0.120275,8633 1904,0.263961,8622 1905,0.0167242,8638 1906,0.120538,8630 1907,0.00502525,8638 1908,-0.0566856,8638 1909,-0.519166,8635 1910,-0.511195,8638 1911,0.144344,8637 1912,-0.380248,8634 1913,-0.456993,8639 1914,-0.252123,8635 1915,-0.34135,8638 1916,-0.264917,8637 1917,-0.839374,8638 1918,-1.01628,8638 1919,-0.277702,8628 1920,0.228087,8627 1921,0.197241,8639 1922,0.0225822,8619 1923,0.235969,8594 1924,0.263361,8627 1925,-0.105783,8635 1926,0.238128,8634 1927,-0.0471131,8638 1928,0.541508,8638 1929,0.0194812,8639 1930,0.47109,8640 1931,0.314395,8640 1932,0.394585,8640 1933,0.0309306,8639 1934,0.556804,8640 1935,0.100781,8637 1936,0.0700016,8639 1937,1.07813,8638 1938,1.38014,8637 1939,0.46168,8635 1940,1.01741,8637 1941,-0.248523,8640 1942,0.458122,8639 1943,0.992773,8638 1944,0.965389,8639 1945,0.59859,8564 1946,0.0567087,8629 1947,1.27383,8640 1948,-0.237611,8640 1949,0.119605,8640 1950,0.226642,8639 1951,0.045597,8640 1952,0.367473,8640 1953,0.88144,8640 1954,0.963291,8640 1955,-0.135431,8640 1956,0.161612,8640 1957,0.0502604,8640 1958,-0.142284,8640 1959,0.562131,8640 1960,0.497373,8639 1961,-0.0612795,8640 1962,0.51098,8640 1963,-0.337008,8640 1964,-0.784044,8640 1965,-0.198996,8640 1966,-0.723485,8640 1967,0.259999,8640 1968,-0.340326,8640 1969,-0.10758,8640 1970,-0.300429,8640 1971,-0.00895558,8640 1972,-0.198386,8640 1973,0.0655306,8640 1974,-0.202282,8640 1975,-0.0901892,8640 1976,-0.0103648,8640 1977,0.0824592,8640 1978,-0.226301,8640 1979,-0.740609,8640 1980,0.159806,8640 1981,0.945077,8640 1982,-0.446807,8640 1983,-0.00638286,8640 1984,0.282982,8640 1985,0.471475,8640 1986,-0.143825,8640 1987,-0.485836,8640 1988,0.399711,8640 1989,0.231051,8640 1990,0.691082,8640 1991,0.705989,8640 1992,-0.308448,8640 1993,0.556624,8640 1994,0.261634,8640 1995,1.40854,8640 1996,0.817395,8640 1997,0.609563,8640 1998,0.998445,8640 1999,0.446476,8640 2000,1.07085,8640 2001,1.10515,8640 2002,1.35157,8640 2003,1.36388,8640 2004,0.547581,8640 2005,2.10094,8640 2006,2.08188,8640 2007,2.40699,8640 2008,1.71682,8640 2009,1.71572,8640 2010,2.5377,8640 2011,2.61529,8640 2012,2.7173,8640 2013,1.53946,8640 2014,2.11255,8640 2015,2.07509,8640 2016,3.61914,8640 2017,2.70872,8640 2018,2.44799,8640 2019,2.80891,8640 2020,2.96646,8640 2021,2.12547,8640 2022,2.30188,8640 2023,2.55813,8640