Year,Value,NumPoints
1949,-59.6317,1872
1950,-60.6787,1872
1951,-58.3915,1872
1952,-57.9526,1872
1953,-59.2971,1872
1954,-59.7543,1872
1955,-59.6301,1872
1956,-58.8018,1872
1957,-59.7718,1872
1958,-57.4908,1872
1959,-60.7593,1872
1960,-58.5501,1872
1961,-61.4929,1872
1962,-58.6817,1872
1963,-58.206,1872
1964,-57.2612,1872
1965,-58.5497,1872
1966,-61.4248,1872
1967,-59.2559,1872
1968,-60.1919,1872
1969,-59.1166,1872
1970,-58.6012,1872
1971,-60.2978,1872
1972,-57.2506,1872
1973,-60.2976,1872
1974,-59.3599,1872
1975,-60.3332,1872
1976,-60.8829,1872
1977,-59.1751,1872
1978,-59.1172,1872
1979,-59.5938,1872
1980,-61.1451,1872
1981,-60.2581,1872
1982,-60.4627,1872
1983,-59.5074,1872
1984,-59.1525,1872
1985,-60.6061,1872
1986,-58.1422,1872
1987,-61.249,1872
1988,-58.8457,1872
1989,-61.2787,1872
1990,-60.4084,1872
1991,-58.5885,1872
1992,-58.2507,1872
1993,-59.9592,1872
1994,-60.5052,1872
1995,-61.0143,1872
1996,-59.2343,1872
1997,-61.3558,1872
1998,-61.2757,1872
1999,-61.4837,1872
2000,-61.2233,1872
2001,-61.7871,1872
2002,-58.7818,1872
2003,-61.087,1872
2004,-60.8585,1872
2005,-59.1303,1872
2006,-62.3592,1872
2007,-59.3829,1872
2008,-62.6831,1872
2009,-61.1034,1872
2010,-60.8642,1872
2011,-60.227,1872
2012,-60.5816,1872
2013,-61.7069,1872
2014,-59.9709,1872
2015,-62.2709,1872
2016,-60.735,1872
2017,-59.6132,1872
2018,-61.3902,1872
2019,-59.8649,1872
2020,-61.0543,1872
2021,-61.6022,1872
2022,-62.8174,1872