Year,Value,NumPoints
1949,-30.7652,1012
1950,-29.5903,1012
1951,-33.7703,1012
1952,-28.9888,1012
1953,-29.95,1012
1954,-28.8355,1012
1955,-28.4499,1012
1956,-27.1987,1012
1957,-27.239,1012
1958,-26.5482,1012
1959,-27.7019,1012
1960,-27.9192,1012
1961,-28.4321,1012
1962,-28.1604,1012
1963,-30.4265,1012
1964,-32.7495,1012
1965,-28.538,1012
1966,-31.1731,1012
1967,-30.2062,1012
1968,-27.1824,1012
1969,-27.3141,1012
1970,-26.8,1012
1971,-30.6257,1012
1972,-26.7228,1012
1973,-27.1882,1012
1974,-24.8615,1012
1975,-29.5145,1012
1976,-27.3574,1012
1977,-23.8211,1012
1978,-27.0658,1012
1979,-26.9661,1012
1980,-26.3914,1012
1981,-24.6273,1012
1982,-28.8745,1012
1983,-27.6767,1012
1984,-24.6114,1012
1985,-25.7675,1012
1986,-29.2127,1012
1987,-27.8424,1012
1988,-26.3324,1012
1989,-30.4305,1012
1990,-25.1906,1012
1991,-26.1528,1012
1992,-28.9594,1012
1993,-28.0268,1012
1994,-27.1337,1012
1995,-26.4618,1012
1996,-26.9446,1012
1997,-30.2494,1012
1998,-25.3287,1012
1999,-26.5324,1012
2000,-24.976,1012
2001,-24.6835,1012
2002,-25.463,1012
2003,-24.9719,1012
2004,-24.8537,1012
2005,-21.6011,1012
2006,-21.8674,1012
2007,-26.2402,1012
2008,-26.9026,1012
2009,-23.6023,1012
2010,-25.7889,1012
2011,-24.2791,1012
2012,-23.5543,1012
2013,-24.6144,1012
2014,-24.3088,1012
2015,-24.8514,1012
2016,-18.4189,1012
2017,-20.8829,1012
2018,-21.5639,1012
2019,-26.0851,1012
2020,-26.4153,1012