Year,Value,NumPoints
1953,-1.37132,46
1954,-1.42806,46
1955,-1.13737,46
1956,-1.47493,46
1957,-1.07485,46
1958,-1.12886,46
1959,-1.16536,46
1960,-1.15776,46
1961,-1.22769,46
1962,-0.917446,46
1963,-1.11194,46
1964,-1.2719,46
1965,-1.1511,46
1966,-0.83738,46
1967,-0.785229,46
1968,-1.16459,46
1969,-0.82512,46
1970,-0.866804,46
1971,-1.3639,46
1972,-1.26391,46
1973,-0.974227,46
1974,-1.17226,46
1975,-0.840657,46
1976,-1.36387,46
1977,-0.716899,46
1978,-0.445872,46
1979,-0.273678,46
1980,-0.890522,46
1981,-0.79255,46
1982,-0.265945,46
1983,-0.669717,46
1984,-0.822249,46
1985,-0.0409131,46
1986,-0.608919,46
1987,-0.411664,46
1988,-0.49792,46
1989,-0.38817,46
1990,-0.733312,46
1991,-0.954925,46
1992,-0.806649,46
1993,-0.68732,46
1994,-0.300927,46
1995,-0.940455,46
1996,-0.0171283,46
1997,-0.548693,46
1998,-0.69239,46
1999,-1.02744,46
2000,-0.982523,46
2001,0.700338,46
2002,-0.864271,46
2003,-0.0264383,46
2004,-0.460312,46
2005,-0.0941432,46
2006,-0.909869,46
2007,-0.785447,46
2008,-1.29022,46
2009,-1.09721,46
2010,-1.11281,46
2011,-0.708445,46
2012,-1.32963,46
2013,-1.22974,46
2014,-0.585291,46
2015,0.0843453,46
2016,0.125221,46
2017,-0.0202795,46
2018,0.696416,46
2019,0.549867,46