Year,Value,NumPoints
1949,-59.4477,1872
1950,-60.4891,1872
1951,-57.5523,1872
1952,-56.9569,1872
1953,-58.5246,1872
1954,-59.5341,1872
1955,-59.2108,1872
1956,-58.2832,1872
1957,-58.8266,1872
1958,-55.5008,1872
1959,-60.3082,1872
1960,-57.1513,1872
1961,-60.4553,1872
1962,-57.0276,1872
1963,-57.5434,1872
1964,-55.4408,1872
1965,-57.0957,1872
1966,-60.6278,1872
1967,-57.4457,1872
1968,-59.1241,1872
1969,-56.7003,1872
1970,-56.8958,1872
1971,-58.4103,1872
1972,-55.3602,1872
1973,-58.4384,1872
1974,-57.9548,1872
1975,-58.4262,1872
1976,-59.2079,1872
1977,-59.1489,1872
1978,-58.2578,1872
1979,-57.5445,1872
1980,-59.1553,1872
1981,-58.3052,1872
1982,-58.8404,1872
1983,-57.8503,1872
1984,-57.215,1872
1985,-58.2063,1872
1986,-56.0522,1872
1987,-60.405,1872
1988,-56.3657,1872
1989,-60.8316,1872
1990,-58.5422,1872
1991,-56.5049,1872
1992,-56.0068,1872
1993,-57.8619,1872
1994,-58.5966,1872
1995,-58.9524,1872
1996,-57.2327,1872
1997,-58.7113,1872
1998,-59.896,1872
1999,-59.3701,1872
2000,-59.8825,1872
2001,-61.5985,1872
2002,-56.3989,1872
2003,-60.3506,1872
2004,-58.6707,1872
2005,-57.6981,1872
2006,-61.1308,1872
2007,-57.9344,1872
2008,-61.8149,1872
2009,-60.5281,1872
2010,-59.9102,1872
2011,-59.0171,1872
2012,-59.4305,1872
2013,-59.8876,1872
2014,-58.482,1872
2015,-61.9968,1872
2016,-59.2819,1872
2017,-57.8519,1872
2018,-61.0542,1872
2019,-58.0001,1872
2020,-60.0944,1872
2021,-60.5722,1872
2022,-63.5365,1872