Year | Value | 2021 | 19,230.4 | 2020 | 19,230.4 | 2019 | 19,230.4 | 2018 | 19,069.038 | 2017 | 18,766.883 | 2016 | 18,464.827 | 2015 | 18,164.532 | 2014 | 17,863.733 | 2013 | 17,565.513 | 2012 | 17,266.362 | 2011 | 16,966.591 | 2010 | 16,670.346 | 2009 | 16,371.311 | 2008 | 16,072.218 | 2007 | 15,771.809 | 2006 | 15,478.004 | 2005 | 15,179.629 | 2004 | 14,881.04 | 2003 | 14,578.479 | 2002 | 14,275.723 | 2001 | 13,972.93 | 2000 | 13,671.162 | 1999 | 13,367.4 | 1998 | 13,067.416 | 1997 | 12,754.76 | 1996 | 12,452.218 | 1995 | 12,145.122 | 1994 | 11,840.682 | 1993 | 11,539.884 | 1992 | 11,239.202 | 1991 | 10,940.2 | 1990 | 10,637.6 | 1989 | 11,637.6 | 1988 | 11,637.6 | 1987 | 11,667.6 | 1986 | 11,607.6 | 1985 | 11,517.6 | 1984 | 11,497.6 | 1983 | 11,487.6 | 1982 | 11,437.6 | 1981 | 11,397.6 | 1980 | 11,397.6 | 1979 | 11,397.6 | 1978 | 11,397.6 | 1977 | 11,397.6 | 1976 | 11,347.6 | 1975 | 11,347.6 | 1974 | 11,347.6 | 1973 | 11,347.6 | 1972 | 11,347.6 | 1971 | 11,347.6 | 1970 | 11,347.6 | 1969 | 11,367.6 | 1968 | 11,367.6 | 1967 | 11,387.6 | 1966 | 11,387.6 | 1965 | 11,417.6 | 1964 | 11,417.6 | 1963 | 11,447.6 | 1962 | 11,447.6 | 1961 | 11,467.6 |
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