Year,Value,NumPoints
1949,-15.7443,1012
1950,-17.2571,1012
1951,-18.8178,1012
1952,-16.0557,1012
1953,-14.6092,1012
1954,-15.7458,1012
1955,-20.0071,1012
1956,-16.0341,1012
1957,-17.5344,1012
1958,-18.0028,1012
1959,-14.4463,1012
1960,-17.8055,1012
1961,-18.2407,1012
1962,-15.0211,1012
1963,-18.3831,1012
1964,-17.9095,1012
1965,-13.9689,1012
1966,-16.667,1012
1967,-17.3535,1012
1968,-19.2849,1012
1969,-16.6394,1012
1970,-16.6993,1012
1971,-17.9217,1012
1972,-17.5678,1012
1973,-15.5424,1012
1974,-18.811,1012
1975,-18.1489,1012
1976,-17.7691,1012
1977,-16.4723,1012
1978,-16.1167,1012
1979,-17.1485,1012
1980,-18.6975,1012
1981,-15.1272,1012
1982,-16.8969,1012
1983,-15.8724,1012
1984,-17.0702,1012
1985,-15.0001,1012
1986,-15.4562,1012
1987,-18.6109,1012
1988,-18.3903,1012
1989,-19.5737,1012
1990,-19.6058,1012
1991,-16.5462,1012
1992,-16.3848,1012
1993,-16.9249,1012
1994,-17.8771,1012
1995,-15.3836,1012
1996,-11.8761,1012
1997,-15.7132,1012
1998,-13.8113,1012
1999,-16.0827,1012
2000,-16.0446,1012
2001,-14.9935,1012
2002,-14.6761,1012
2003,-14.7447,1012
2004,-16.5092,1012
2005,-13.8715,1012
2006,-13.564,1012
2007,-13.894,1012
2008,-13.7209,1012
2009,-13.8935,1012
2010,-14.3882,1012
2011,-15.2701,1012
2012,-12.6438,1012
2013,-15.3484,1012
2014,-14.3277,1012
2015,-12.8122,1012
2016,-10.4767,1012
2017,-12.3405,1012
2018,-14.55,1012
2019,-14.3823,1012