Year | Value | 2021 | 10,430 | 2020 | 10,420 | 2019 | 10,420 | 2018 | 10,420 | 2017 | 10,420 | 2016 | 10,420 | 2015 | 10,420 | 2014 | 10,420 | 2013 | 10,420 | 2012 | 10,420 | 2011 | 10,420 | 2010 | 10,420 | 2009 | 10,420 | 2008 | 10,420 | 2007 | 10,420 | 2006 | 10,420 | 2005 | 10,420 | 2004 | 10,401.333 | 2003 | 10,382.667 | 2002 | 10,364 | 2001 | 10,345.333 | 2000 | 10,306.667 | 1999 | 10,278 | 1998 | 10,259.333 | 1997 | 10,240.667 | 1996 | 10,222 | 1995 | 10,193.333 | 1994 | 10,154.667 | 1993 | 10,136 | 1992 | 10,117.333 | 1991 | 10,098.667 | 1990 | 10,080 | 1989 | 10,061.333 | 1988 | 10,022.667 | 1987 | 10,004 | 1986 | 9,985.333 | 1985 | 9,946.667 | 1984 | 9,928 | 1983 | 9,879.333 | 1982 | 10,366.917 | 1981 | 10,854.5 | 1980 | 11,342.083 | 1979 | 11,829.667 | 1978 | 12,317.25 | 1977 | 12,804.833 | 1976 | 13,292.417 | 1975 | 13,780 | 1974 | 13,760 | 1973 | 13,760 | 1972 | 13,740 | 1971 | 13,710 | 1970 | 13,710 | 1969 | 13,660 | 1968 | 13,660 | 1967 | 13,640 | 1966 | 13,640 | 1965 | 13,590 | 1964 | 13,590 | 1963 | 13,590 | 1962 | 13,590 | 1961 | 13,590 |
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