Year | Value | 2021 | 1,049.2 | 2020 | 1,049.2 | 2019 | 1,048 | 2018 | 1,046.7 | 2017 | 1,045.4 | 2016 | 1,044.1 | 2015 | 1,042.8 | 2014 | 1,041.5 | 2013 | 1,040.2 | 2012 | 1,038.9 | 2011 | 1,037.6 | 2010 | 1,036.3 | 2009 | 1,035 | 2008 | 1,033.7 | 2007 | 1,032.4 | 2006 | 1,031.1 | 2005 | 1,029.8 | 2004 | 1,028.5 | 2003 | 1,028.5 | 2002 | 1,028.5 | 2001 | 1,028.5 | 2000 | 1,028.5 | 1999 | 1,028.5 | 1998 | 1,028.5 | 1997 | 1,048.5 | 1996 | 1,038.5 | 1995 | 1,028.5 | 1994 | 1,028.5 | 1993 | 1,028.5 | 1992 | 1,048.5 | 1991 | 1,038.5 | 1990 | 1,038.5 | 1989 | 1,078.5 | 1988 | 1,078.5 | 1987 | 1,078.5 | 1986 | 1,078.5 | 1985 | 1,078.5 | 1984 | 1,078.5 | 1983 | 1,138.5 | 1982 | 1,148.5 | 1981 | 1,168.5 | 1980 | 1,178.5 | 1979 | 1,198.5 | 1978 | 1,208.5 | 1977 | 1,228.5 | 1976 | 1,238.5 | 1975 | 1,258.5 | 1974 | 1,268.5 | 1973 | 1,288.5 | 1972 | 1,298.5 | 1971 | 1,318.5 | 1970 | 1,328.5 | 1969 | 1,348.5 | 1968 | 1,358.5 | 1967 | 1,378.5 | 1966 | 1,388.5 | 1965 | 1,408.5 | 1964 | 1,418.5 | 1963 | 1,438.5 | 1962 | 1,448.5 | 1961 | 1,468.5 |
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