Year,Value,NumPoints
1949,-13.8424,1587
1950,-14.7843,1587
1951,-15.15,1587
1952,-14.6578,1587
1953,-14.5387,1587
1954,-14.2222,1587
1955,-15.2794,1587
1956,-14.3811,1587
1957,-14.0897,1587
1958,-14.6659,1587
1959,-14.0715,1587
1960,-14.902,1587
1961,-15.1112,1587
1962,-14.6789,1587
1963,-15.9809,1587
1964,-16.181,1587
1965,-14.698,1587
1966,-15.839,1587
1967,-14.5909,1587
1968,-14.9474,1587
1969,-14.939,1587
1970,-14.7183,1587
1971,-14.0684,1587
1972,-14.5422,1587
1973,-14.2953,1587
1974,-14.3803,1587
1975,-14.7343,1587
1976,-14.3129,1587
1977,-14.7274,1587
1978,-14.702,1587
1979,-14.938,1587
1980,-13.2938,1587
1981,-12.2174,1587
1982,-14.9195,1587
1983,-14.4699,1587
1984,-13.8552,1587
1985,-14.4331,1587
1986,-14.755,1587
1987,-15.3099,1587
1988,-14.2924,1587
1989,-14.0789,1587
1990,-13.1923,1587
1991,-13.7343,1587
1992,-14.3784,1587
1993,-13.8806,1587
1994,-14.37,1587
1995,-12.6552,1587
1996,-13.3695,1587
1997,-13.3123,1587
1998,-12.6939,1587
1999,-13.1,1587
2000,-12.4214,1587
2001,-12.7796,1587
2002,-12.6746,1587
2003,-12.3478,1587
2004,-13.0634,1587
2005,-11.8109,1587
2006,-11.425,1587
2007,-11.7767,1587
2008,-12.7263,1587
2009,-12.0178,1587
2010,-11.6688,1587
2011,-11.5899,1587
2012,-11.1018,1587
2013,-12.1942,1587
2014,-11.2992,1587
2015,-11.4903,1587
2016,-9.54942,1587
2017,-10.6502,1587
2018,-10.8658,1587
2019,-11.2062,1587