Year | Value | 2021 | 499,733.244 | 2020 | 499,556.645 | 2019 | 499,570.036 | 2018 | 499,603.479 | 2017 | 499,547.35 | 2016 | 499,564 | 2015 | 499,661 | 2014 | 500,210 | 2013 | 500,210 | 2012 | 500,210 | 2011 | 499,880 | 2010 | 500,010 | 2009 | 498,660 | 2008 | 498,800 | 2007 | 499,110 | 2006 | 498,980 | 2005 | 499,090 | 2004 | 499,180 | 2003 | 499,210 | 2002 | 499,040 | 2001 | 498,520 | 2000 | 499,000 | 1999 | 499,440 | 1998 | 499,440 | 1997 | 499,440 | 1996 | 499,440 | 1995 | 499,440 | 1994 | 499,440 | 1993 | 499,440 | 1992 | 499,440 | 1991 | 499,440 | 1990 | 499,440 | 1989 | 499,440 | 1988 | 499,440 | 1987 | 499,440 | 1986 | 499,440 | 1985 | 499,440 | 1984 | 499,440 | 1983 | 499,430 | 1982 | 499,460 | 1981 | 499,460 | 1980 | 499,470 | 1979 | 499,540 | 1978 | 499,530 | 1977 | 499,540 | 1976 | 499,570 | 1975 | 499,630 | 1974 | 499,750 | 1973 | 499,780 | 1972 | 499,780 | 1971 | 499,780 | 1970 | 499,780 | 1969 | 499,780 | 1968 | 499,780 | 1967 | 499,780 | 1966 | 499,780 | 1965 | 499,780 | 1964 | 499,780 | 1963 | 499,780 | 1962 | 499,780 | 1961 | 499,780 |
|