Year,Value,NumPoints
1949,-0.772429,51
1950,-0.930478,51
1951,-1.07672,51
1952,-1.76448,51
1953,-1.8521,51
1954,-0.80418,51
1955,-0.870584,51
1956,-1.0632,51
1957,-1.06642,51
1958,-2.02175,51
1959,-1.41494,51
1960,-1.90457,51
1961,-1.36707,51
1962,-0.695004,51
1963,-1.06337,51
1964,-0.90145,51
1965,-0.884105,51
1966,-1.18066,51
1967,-0.137412,51
1968,-1.40645,51
1969,-2.00322,51
1970,-1.30504,51
1971,-1.07803,51
1972,-0.885117,51
1973,-1.02328,51
1974,-1.62955,51
1975,-0.866612,51
1976,-1.72986,51
1977,-1.58985,51
1978,-1.55443,51
1979,-1.46981,51
1980,-2.14023,51
1981,-1.8499,51
1982,-1.45099,51
1983,-2.17295,51
1984,-1.55895,51
1985,-1.06077,51
1986,-1.9191,51
1987,-1.89934,51
1988,-2.20245,51
1989,-0.559909,51
1990,-0.71509,51
1991,-1.79415,51
1992,-1.14981,51
1993,-1.098,51
1994,-1.50232,51
1995,-2.12605,51
1996,-0.845362,51
1997,-1.59488,51
1998,-1.78669,51
1999,-1.47276,51
2000,-1.63128,51
2001,-1.63735,51
2002,-1.19235,51
2003,-1.29871,51
2004,-1.73189,51
2005,-1.90434,51
2006,-0.92767,51
2007,-1.78473,51
2008,-1.34677,51
2009,-1.28275,51
2010,-1.89287,51
2011,-1.22539,51
2012,-1.49887,51
2013,-0.963033,51
2014,-1.74565,51
2015,-1.13876,51
2016,-1.93482,51
2017,-0.600039,51
2018,-0.995479,51
2019,-0.943152,51
2020,-0.800087,51
2021,-0.653256,51