Year,Value,NumPoints 1950,0.864152,11 1951,-2.60528,11 1952,-3.76084,11 1953,-3.1967,11 1954,0.149048,11 1955,5.51152,11 1956,-2.14355,11 1957,2.41448,11 1958,4.66333,11 1959,-2.36392,11 1960,2.72182,11 1961,5.05038,11 1962,2.32624,11 1963,5.46379,11 1964,0.839218,11 1965,-1.30513,11 1966,-4.65704,11 1967,-1.0929,11 1968,-0.06889,11 1969,-7.08498,11 1970,-1.56534,11 1971,-6.90313,11 1972,-4.33555,11 1973,-3.03953,11 1974,-4.22002,11 1975,-0.348424,11 1976,1.85267,11 1977,11.5426,11 1978,3.35056,11 1979,2.27925,11 1980,0.526342,11 1981,12.6508,11 1982,-5.43263,11 1983,0.843794,11 1984,4.35085,11 1985,11.3272,11 1986,6.55394,11 1987,7.5293,11 1988,2.2463,11 1989,-3.08187,11 1990,1.65039,11 1991,2.01025,11 1992,6.48298,11 1993,2.03691,11 1994,4.63588,11 1995,2.85143,11 1996,-5.86035,11 1997,-0.120492,11 1998,1.06807,11 1999,-0.364668,11 2000,2.67467,11 2001,10.239,11 2002,7.0602,11 2003,5.26732,11 2004,-2.00715,11 2005,3.3408,11 2006,0.201673,11 2007,4.94329,11 2008,1.53196,11 2009,1.46114,11 2010,3.41865,11 2011,3.76206,11 2012,-2.50163,11 2013,6.07294,11 2014,11.271,11 2015,5.10101,11 2016,8.98681,11 2017,3.13337,11 2018,4.45896,11 2019,3.89903,11 2020,-2.64755,11 2021,6.69256,11 2022,3.40289,11 2023,7.30472,11