Year,Value,NumPoints 1900,0.677784,2 1901,0.348372,2 1902,0.757163,2 1903,1.11316,2 1904,0.0703336,1 1905,0.649175,2 1906,-0.147143,2 1907,-1.4551,2 1908,0.390328,2 1909,-0.89099,2 1910,-0.73642,2 1911,-0.206964,2 1912,0.595979,2 1913,-1.50624,2 1914,-1.11408,2 1915,0.137652,2 1916,0.338823,2 1917,-1.76111,2 1918,-2.15626,2 1919,-0.611947,2 1920,-0.0764837,2 1921,-0.044442,2 1922,-1.42909,2 1923,-0.599318,2 1924,0.320798,2 1925,-0.18655,2 1926,0.169001,2 1927,-0.193589,2 1928,1.1247,2 1929,-0.00614433,2 1930,1.08263,2 1931,0.272743,2 1932,0.0374269,2 1933,-0.940886,2 1934,-1.1308,2 1935,-0.905588,2 1936,-1.19689,2 1937,0.268331,2 1938,0.462293,2 1939,0.194581,2 1940,1.35935,2 1941,-1.14003,2 1942,0.169191,2 1943,0.188408,2 1944,0.272839,2 1945,0.081958,2 1946,-0.0902937,2 1947,2.08696,2 1948,-0.632051,2 1949,-0.63679,2 1950,-0.645198,2 1951,-0.0289258,2 1952,0.665663,2 1953,0.137839,2 1954,0.334552,2 1955,0.324218,2 1956,-0.79075,2 1957,-0.375984,2 1958,0.601758,2 1959,-0.127854,2 1960,1.71866,2 1961,-0.165773,2 1962,0.809804,2 1963,1.11282,2 1964,-1.10086,2 1965,0.6741,2 1966,-0.109277,2 1967,-0.872307,2 1968,0.377256,2 1969,1.00718,2 1970,-0.390088,2 1971,0.0693867,2 1972,-2.73217,2 1973,0.611864,2 1974,-1.35242,2 1975,-0.33976,2 1976,-0.0551,2 1977,1.04776,2 1978,-0.753396,2 1979,-0.99101,2 1980,0.692824,2 1981,2.0712,2 1982,-0.78272,2 1983,0.0362569,2 1984,-0.318602,2 1985,1.0378,2 1986,-0.514803,2 1987,-0.340336,2 1988,1.72731,2 1989,-0.213734,2 1990,-0.317843,2 1991,0.305541,2 1992,-0.356841,2 1993,0.865453,2 1994,0.54331,2 1995,0.830511,2 1996,1.34552,2 1997,-0.0517904,2 1998,3.39354,2 1999,1.35786,2 2000,1.01457,2 2001,1.33471,2 2002,1.34035,2 2003,1.91958,2 2004,-0.464567,2 2005,1.69082,2 2006,3.73006,2 2007,1.88457,2 2008,1.75973,2 2009,2.59281,2 2010,4.75678,2 2011,3.34868,2 2012,2.93874,2 2013,0.847605,2 2014,0.993192,2 2015,2.16151,2 2016,3.18845,2 2017,2.2304,2 2018,0.658138,2 2019,2.51845,2 2020,2.51662,2