Year,Value,NumPoints 1900,-0.541724,1757 1901,-0.324399,1729 1902,-0.852142,1757 1903,-0.37328,1701 1904,-0.872159,1704 1905,-0.590801,1680 1906,0.148031,1732 1907,-0.33139,1751 1908,0.0374302,1767 1909,-0.194302,1826 1910,-0.000467272,1795 1911,-0.633205,1739 1912,-0.860273,1804 1913,-0.477385,1782 1914,-0.451477,1839 1915,-0.484645,1839 1916,-0.138387,1822 1917,-0.159383,1822 1918,0.0762716,1806 1919,0.351098,1806 1920,-0.48398,1782 1921,-0.393729,1842 1922,-0.630822,1840 1923,0.328125,1840 1924,0.114388,1840 1925,0.121534,1848 1926,0.203829,1858 1927,0.401041,1929 1928,0.164496,1929 1929,-0.203298,1929 1930,0.0137542,1949 1931,0.83005,2700 1932,1.06385,2700 1933,-0.554215,2700 1934,-0.0277774,1949 1935,0.341306,1949 1936,0.676876,2700 1937,0.460794,2700 1938,1.23438,2700 1939,0.179655,2700 1940,0.859828,2700 1941,-0.0519117,2700 1942,0.582206,2700 1943,0.556557,1980 1944,0.760073,1976 1945,-0.00364896,1976 1946,-0.410006,2700 1947,0.267102,2700 1948,0.275981,2700 1949,0.30295,2700 1950,0.155943,2700 1951,0.984341,2700 1952,0.275281,2700 1953,0.350537,2700 1954,0.460075,2700 1955,0.0659827,2700 1956,-0.804213,2700 1957,0.0201955,2700 1958,0.0302035,2700 1959,0.212979,2700 1960,0.305567,2700 1961,-0.169482,2700 1962,-0.410912,2700 1963,-0.522656,2700 1964,-0.338851,2700 1965,-0.379927,2700 1966,0.209113,2700 1967,0.13331,2700 1968,-0.24353,2700 1969,-0.121085,2700 1970,0.105788,2700 1971,0.414699,2700 1972,-0.78001,2700 1973,-0.143626,2700 1974,0.196755,2700 1975,0.0812565,2700 1976,0.323559,2700 1977,0.0191371,2700 1978,-0.211905,2700 1979,0.0255107,2700 1980,-0.0873361,2700 1981,0.12485,2700 1982,-0.347103,2700 1983,0.485938,2700 1984,0.0573701,2700 1985,0.586159,2700 1986,-0.576716,2700 1987,-0.00381043,2700 1988,0.624944,2700 1989,0.204293,2700 1990,0.259977,2700 1991,0.834694,2700 1992,-0.949338,2700 1993,-0.263617,2700 1994,0.368523,2700 1995,1.23235,2700 1996,-0.552137,2700 1997,0.711139,2700 1998,0.621852,2700 1999,0.640838,2700 2000,0.078451,2700 2001,0.892001,2700 2002,0.819526,2700 2003,1.48984,2700 2004,0.355271,2700 2005,1.26293,2700 2006,1.96664,2700 2007,1.20814,2700 2008,0.997312,2700 2009,1.57039,2700 2010,1.27282,2700 2011,1.55423,2700 2012,1.84014,2700 2013,0.788126,2700 2014,0.965339,2700 2015,1.20997,2700 2016,2.22122,2700 2017,1.26073,2700 2018,1.33329,2700 2019,1.86263,2700 2020,2.05567,2700 2021,1.1627,2700 2022,1.48019,2700