Year,Value,NumPoints
1949,-17.2429,1012
1950,-18.2093,1012
1951,-18.4683,1012
1952,-21.6701,1012
1953,-24.0586,1012
1954,-21.9104,1012
1955,-19.2956,1012
1956,-20.3485,1012
1957,-19.0531,1012
1958,-20.2699,1012
1959,-20.5894,1012
1960,-21.0389,1012
1961,-21.1605,1012
1962,-17.9254,1012
1963,-24.9844,1012
1964,-23.5345,1012
1965,-20.4824,1012
1966,-21.8971,1012
1967,-19.2356,1012
1968,-19.1488,1012
1969,-22.4897,1012
1970,-18.627,1012
1971,-18.7355,1012
1972,-19.4134,1012
1973,-20.1894,1012
1974,-18.8868,1012
1975,-19.6027,1012
1976,-18.1464,1012
1977,-22.7292,1012
1978,-19.4989,1012
1979,-20.3347,1012
1980,-18.5446,1012
1981,-19.147,1012
1982,-20.0118,1012
1983,-17.5429,1012
1984,-20.4805,1012
1985,-21.2943,1012
1986,-21.3234,1012
1987,-21.2017,1012
1988,-20.0816,1012
1989,-19.2413,1012
1990,-18.2138,1012
1991,-20.0006,1012
1992,-17.5821,1012
1993,-21.8893,1012
1994,-20.8253,1012
1995,-19.6349,1012
1996,-18.5834,1012
1997,-17.4126,1012
1998,-18.7898,1012
1999,-18.5529,1012
2000,-16.7422,1012
2001,-20.4759,1012
2002,-15.7473,1012
2003,-20.1456,1012
2004,-20.3118,1012
2005,-19.5629,1012
2006,-17.5408,1012
2007,-19.5157,1012
2008,-19.0485,1012
2009,-19.8555,1012
2010,-16.6613,1012
2011,-15.9663,1012
2012,-18.4425,1012
2013,-17.5914,1012
2014,-15.1986,1012
2015,-16.9126,1012
2016,-15.5831,1012
2017,-16.526,1012
2018,-19.5633,1012
2019,-15.9555,1012