Year,Value,NumPoints
1949,-0.73076,80
1950,0.287009,80
1951,1.3057,80
1952,-1.81965,80
1953,2.31974,80
1954,1.61105,80
1955,0.373474,80
1956,1.21918,80
1957,1.82747,80
1958,1.15811,80
1959,1.55551,80
1960,3.20448,80
1961,1.31231,80
1962,-0.347961,80
1963,1.88853,80
1964,-2.88579,80
1965,-1.43205,80
1966,-0.986388,80
1967,-0.945431,80
1968,-0.0242993,80
1969,0.205632,80
1970,-0.463142,80
1971,-1.60873,80
1972,-0.416086,80
1973,-0.325552,80
1974,0.161059,80
1975,0.0923665,80
1976,-1.2146,80
1977,-0.983377,80
1978,0.119528,80
1979,1.2964,80
1980,1.26763,80
1981,2.34344,80
1982,-1.07371,80
1983,-0.112273,80
1984,-0.736781,80
1985,-0.314659,80
1986,-0.739174,80
1987,0.367092,80
1988,1.07585,80
1989,-0.172189,80
1990,1.87442,80
1991,1.35004,80
1992,-1.45444,80
1993,1.75424,80
1994,0.986786,80
1995,1.67356,80
1996,0.546893,80
1997,0.373458,80
1998,0.848376,80
1999,-0.745783,80
2000,-2.26879,80
2001,-3.04852,80
2002,0.500417,80
2003,-0.0503815,80
2004,2.35443,80
2005,2.07093,80
2006,0.142436,80
2007,0.607167,80
2008,0.138582,80
2009,0.438459,80
2010,1.88456,80
2011,0.408511,80
2012,-0.508097,80
2013,-2.16266,80
2014,2.00839,80
2015,3.47409,80
2016,3.53057,80
2017,1.33968,80
2018,0.930576,80
2019,2.58573,80
2020,-0.310258,80