Year,Value,NumPoints
1949,-46.5874,1872
1950,-46.5771,1872
1951,-45.54,1872
1952,-45.3596,1872
1953,-46.1147,1872
1954,-46.5181,1872
1955,-46.7611,1872
1956,-46.039,1872
1957,-46.5381,1872
1958,-44.643,1872
1959,-47.4158,1872
1960,-45.5118,1872
1961,-46.9004,1872
1962,-44.8554,1872
1963,-45.633,1872
1964,-44.1554,1872
1965,-44.5049,1872
1966,-46.5346,1872
1967,-45.0815,1872
1968,-45.4017,1872
1969,-45.0063,1872
1970,-44.7895,1872
1971,-45.6596,1872
1972,-44.4595,1872
1973,-46.2108,1872
1974,-46.2777,1872
1975,-46.5632,1872
1976,-45.9492,1872
1977,-44.9409,1872
1978,-44.2089,1872
1979,-43.1441,1872
1980,-42.3183,1872
1981,-42.8339,1872
1982,-42.5908,1872
1983,-42.3257,1872
1984,-43.9671,1872
1985,-41.946,1872
1986,-42.4743,1872
1987,-43.7952,1872
1988,-42.9126,1872
1989,-44.7416,1872
1990,-43.7198,1872
1991,-42.7972,1872
1992,-42.6764,1872
1993,-43.7679,1872
1994,-43.8837,1872
1995,-43.9338,1872
1996,-43.4434,1872
1997,-42.9954,1872
1998,-43.8659,1872
1999,-43.3812,1872
2000,-44.277,1872
2001,-45.3861,1872
2002,-43.5339,1872
2003,-45.8293,1872
2004,-44.6474,1872
2005,-44.937,1872
2006,-45.899,1872
2007,-45.5661,1872
2008,-46.7519,1872
2009,-46.6057,1872
2010,-46.425,1872
2011,-46.4602,1872
2012,-46.321,1872
2013,-45.4556,1872
2014,-45.7257,1872
2015,-46.7206,1872
2016,-45.4249,1872
2017,-45.7718,1872
2018,-47.0989,1872
2019,-45.6107,1872
2020,-46.5349,1872
2021,-46.9283,1872