Year,Value,NumPoints
1949,-11.3202,71
1950,-15.9916,71
1951,-12.24,71
1952,-9.50491,71
1953,-14.7455,71
1954,-12.2411,71
1955,-19.1915,71
1956,-19.8012,71
1957,-9.91923,71
1958,-15.2316,71
1959,-12.8439,71
1960,-17.3805,71
1961,-15.985,71
1962,-15.3586,71
1963,-21.1298,71
1964,-14.3887,71
1965,-11.1492,71
1966,-12.4751,71
1967,-12.3803,71
1968,-14.6224,71
1969,-16.1781,71
1970,-11.5302,71
1971,-14.5263,71
1972,-13.1807,71
1973,-16.3561,71
1974,-17.0369,71
1975,-19.1815,71
1976,-10.427,71
1977,-18.9309,71
1978,-10.2346,71
1979,-7.6697,71
1980,-12.1753,71
1981,-13.6923,71
1982,-14.3876,71
1983,-11.137,71
1984,-16.7695,71
1985,-14.3459,71
1986,-15.1082,71
1987,-14.6141,71
1988,-18.8198,71
1989,-19.0991,71
1990,-18.2129,71
1991,-16.6003,71
1992,-12.9491,71
1993,-12.021,71
1994,-17.3899,71
1995,-16.7155,71
1996,-14.2005,71
1997,-10.9125,71
1998,-13.9567,71
1999,-18.4177,71
2000,-11.2577,71
2001,-16.4853,71
2002,-7.65523,71
2003,-12.7728,71
2004,-11.1043,71
2005,-19.3795,71
2006,-18.1607,71
2007,-9.85864,71
2008,-15.8763,71
2009,-17.4772,71
2010,-11.2395,71
2011,-18.5024,71
2012,-17.5431,71
2013,-13.2492,71
2014,-9.95072,71
2015,-11.3882,71
2016,-14.7195,71
2017,-11.4806,71
2018,-10.4735,71
2019,-10.9047,71
2020,-12.304,71