Year,Value,NumPoints
1949,-47.2371,1872
1950,-46.8421,1872
1951,-46.8857,1872
1952,-46.5712,1872
1953,-46.519,1872
1954,-46.7079,1872
1955,-46.9155,1872
1956,-46.8782,1872
1957,-46.5737,1872
1958,-45.948,1872
1959,-46.2292,1872
1960,-46.4139,1872
1961,-46.315,1872
1962,-46.4917,1872
1963,-46.5094,1872
1964,-46.4655,1872
1965,-46.5533,1872
1966,-46.2733,1872
1967,-45.9806,1872
1968,-46.252,1872
1969,-45.8875,1872
1970,-45.7948,1872
1971,-45.9751,1872
1972,-45.89,1872
1973,-45.5287,1872
1974,-45.8232,1872
1975,-45.5179,1872
1976,-45.6817,1872
1977,-45.7203,1872
1978,-45.6369,1872
1979,-44.4424,1872
1980,-44.4271,1872
1981,-44.5861,1872
1982,-44.3578,1872
1983,-44.3975,1872
1984,-44.5645,1872
1985,-44.6904,1872
1986,-44.5897,1872
1987,-44.4558,1872
1988,-44.0097,1872
1989,-44.0091,1872
1990,-43.7357,1872
1991,-44.11,1872
1992,-44.3526,1872
1993,-44.5208,1872
1994,-44.567,1872
1995,-44.6197,1872
1996,-44.4657,1872
1997,-44.5788,1872
1998,-44.0497,1872
1999,-44.5731,1872
2000,-44.4855,1872
2001,-44.2162,1872
2002,-44.1556,1872
2003,-44.3394,1872
2004,-44.2718,1872
2005,-44.2182,1872
2006,-44.2366,1872
2007,-44.1499,1872
2008,-44.4849,1872
2009,-44.2939,1872
2010,-43.6719,1872
2011,-44.0609,1872
2012,-44.1594,1872
2013,-44.1618,1872
2014,-44.0527,1872
2015,-44.0091,1872
2016,-43.8632,1872
2017,-43.7699,1872
2018,-44.2113,1872
2019,-43.8711,1872
2020,-43.5716,1872
2021,-43.996,1872