Year | Value | 2021 | 14,993.783 | 2020 | 15,024.369 | 2019 | 15,055.158 | 2018 | 15,085.727 | 2017 | 15,116.339 | 2016 | 15,147.463 | 2015 | 15,180.055 | 2014 | 15,212.778 | 2013 | 15,245.633 | 2012 | 15,278.375 | 2011 | 15,311.226 | 2010 | 15,344.107 | 2009 | 15,376.983 | 2008 | 15,410.273 | 2007 | 15,443.686 | 2006 | 15,474.187 | 2005 | 15,504.631 | 2004 | 15,535.559 | 2003 | 15,566.689 | 2002 | 15,597.256 | 2001 | 15,627.446 | 2000 | 15,658.165 | 1999 | 15,688.881 | 1998 | 15,721.444 | 1997 | 15,752.201 | 1996 | 15,783.105 | 1995 | 15,820.57 | 1994 | 15,867.503 | 1993 | 15,914.576 | 1992 | 15,961.788 | 1991 | 16,009.14 | 1990 | 16,050.303 | 1989 | 16,104.266 | 1988 | 16,152.041 | 1987 | 16,199.958 | 1986 | 16,248.017 | 1985 | 16,290.524 | 1984 | 16,344.562 | 1983 | 16,393.05 | 1982 | 16,441.394 | 1981 | 16,489.882 | 1980 | 16,533.566 | 1979 | 16,587.287 | 1978 | 16,449 | 1977 | 16,414 | 1976 | 16,426 | 1975 | 16,438 | 1974 | 16,475 | 1973 | 16,537 | 1972 | 16,628 | 1971 | 16,654 | 1970 | 16,739 | 1969 | 16,874 | 1968 | 16,861 | 1967 | 16,888 | 1966 | 16,957 | 1965 | 17,016 | 1964 | 17,104 | 1963 | 17,192 | 1962 | 17,334 | 1961 | 17,363 |
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