Year,Value,NumPoints
1949,-7.01258,1872
1950,-8.69512,1872
1951,-8.16409,1872
1952,-9.2733,1872
1953,-8.66189,1872
1954,-7.09328,1872
1955,-7.63875,1872
1956,-9.83646,1872
1957,-7.71491,1872
1958,-8.33173,1872
1959,-8.63239,1872
1960,-8.90233,1872
1961,-8.30151,1872
1962,-9.03178,1872
1963,-9.00713,1872
1964,-9.12621,1872
1965,-9.55531,1872
1966,-10.0449,1872
1967,-7.70503,1872
1968,-8.50462,1872
1969,-8.21357,1872
1970,-8.99098,1872
1971,-8.39896,1872
1972,-8.51222,1872
1973,-8.57469,1872
1974,-8.95044,1872
1975,-8.77876,1872
1976,-9.67819,1872
1977,-9.16174,1872
1978,-8.87,1872
1979,-8.93156,1872
1980,-7.64608,1872
1981,-7.52134,1872
1982,-9.47088,1872
1983,-9.11003,1872
1984,-8.07322,1872
1985,-8.73142,1872
1986,-8.69946,1872
1987,-8.2676,1872
1988,-8.09291,1872
1989,-8.65977,1872
1990,-8.85075,1872
1991,-7.9844,1872
1992,-9.08527,1872
1993,-8.15936,1872
1994,-7.5896,1872
1995,-7.3584,1872
1996,-8.92862,1872
1997,-6.7446,1872
1998,-8.05892,1872
1999,-7.85088,1872
2000,-7.25225,1872
2001,-7.25422,1872
2002,-6.33915,1872
2003,-5.30306,1872
2004,-6.99978,1872
2005,-5.67751,1872
2006,-5.9072,1872
2007,-4.6939,1872
2008,-5.87287,1872
2009,-5.89154,1872
2010,-5.36595,1872
2011,-5.39098,1872
2012,-5.37514,1872
2013,-5.91097,1872
2014,-6.05654,1872
2015,-5.31895,1872
2016,-4.42536,1872
2017,-5.29336,1872
2018,-4.36439,1872
2019,-4.63186,1872
2020,-4.34779,1872
2021,-4.35691,1872
2022,-3.9329,1872
2023,-4.52239,1872