Year,Value,NumPoints
1949,-18.1712,1012
1950,-16.1213,1012
1951,-15.7479,1012
1952,-17.3571,1012
1953,-14.9061,1012
1954,-15.0816,1012
1955,-17.334,1012
1956,-17.1623,1012
1957,-14.8029,1012
1958,-19.7848,1012
1959,-16.3431,1012
1960,-18.2153,1012
1961,-17.9534,1012
1962,-17.714,1012
1963,-18.217,1012
1964,-20.5053,1012
1965,-17.3674,1012
1966,-18.5953,1012
1967,-16.3142,1012
1968,-17.7938,1012
1969,-19.4045,1012
1970,-20.2591,1012
1971,-17.912,1012
1972,-19.0868,1012
1973,-16.296,1012
1974,-17.9021,1012
1975,-16.9567,1012
1976,-16.7507,1012
1977,-19.0709,1012
1978,-18.7905,1012
1979,-19.9077,1012
1980,-17.7292,1012
1981,-16.5998,1012
1982,-18.9451,1012
1983,-18.4326,1012
1984,-18.8121,1012
1985,-19.6344,1012
1986,-18.9327,1012
1987,-18.1718,1012
1988,-17.7452,1012
1989,-16.3374,1012
1990,-13.4511,1012
1991,-18.4313,1012
1992,-16.3903,1012
1993,-15.7347,1012
1994,-16.3649,1012
1995,-12.0164,1012
1996,-15.6573,1012
1997,-17.0734,1012
1998,-14.865,1012
1999,-16.3387,1012
2000,-15.3363,1012
2001,-17.2228,1012
2002,-16.2217,1012
2003,-14.1293,1012
2004,-13.6096,1012
2005,-15.713,1012
2006,-13.1647,1012
2007,-12.0904,1012
2008,-15.1009,1012
2009,-16.8233,1012
2010,-11.688,1012
2011,-14.2727,1012
2012,-13.3313,1012
2013,-12.7054,1012
2014,-13.7092,1012
2015,-12.9311,1012
2016,-13.1988,1012
2017,-12.5031,1012
2018,-13.1364,1012
2019,-12.2492,1012