Year,Value,NumPoints
1949,-4.76512,277
1950,-5.91458,277
1951,-5.4356,277
1952,-4.29491,277
1953,-4.19363,277
1954,-4.93178,277
1955,-5.08263,277
1956,-5.85624,277
1957,-5.01698,277
1958,-4.41333,277
1959,-5.52075,277
1960,-4.66994,277
1961,-5.32656,277
1962,-5.1764,277
1963,-4.95852,277
1964,-5.76498,277
1965,-5.78503,277
1966,-5.42459,277
1967,-5.76878,277
1968,-5.2494,277
1969,-4.9107,277
1970,-5.48682,277
1971,-5.15285,277
1972,-7.18547,277
1973,-4.6542,277
1974,-6.16282,277
1975,-5.52456,277
1976,-5.27494,277
1977,-4.43906,277
1978,-5.85326,277
1979,-5.21909,277
1980,-4.70155,277
1981,-3.44726,277
1982,-6.31967,277
1983,-5.29641,277
1984,-5.18204,277
1985,-5.38443,277
1986,-5.33945,277
1987,-3.95107,277
1988,-4.72811,277
1989,-5.48303,277
1990,-5.50313,277
1991,-4.91987,277
1992,-5.38018,277
1993,-4.96159,277
1994,-4.96895,277
1995,-5.0219,277
1996,-5.6005,277
1997,-4.78686,277
1998,-3.10062,277
1999,-3.64529,277
2000,-4.4044,277
2001,-3.32138,277
2002,-4.6812,277
2003,-4.02456,277
2004,-5.14577,277
2005,-3.64034,277
2006,-2.89184,277
2007,-4.40419,277
2008,-4.55898,277
2009,-4.32474,277
2010,-2.39704,277
2011,-3.96707,277
2012,-3.43285,277
2013,-4.34157,277
2014,-4.40786,277
2015,-3.82594,277
2016,-3.17181,277
2017,-3.62673,277
2018,-4.62564,277
2019,-4.02431,277
2020,-4.30329,277
2021,-3.35296,277
2022,-3.72185,277
2023,-2.44411,277