| Year | Value | | 2021 | 10,542,610.78 | | 2020 | 10,532,013.18 | | 2019 | 10,518,122.323 | | 2018 | 10,500,961.334 | | 2017 | 10,468,324.932 | | 2016 | 10,444,979.734 | | 2015 | 10,420,903.037 | | 2014 | 10,391,971.296 | | 2013 | 10,364,663.109 | | 2012 | 10,318,958.091 | | 2011 | 10,261,673.688 | | 2010 | 10,222,807.459 | | 2009 | 10,182,308.964 | | 2008 | 10,131,175.725 | | 2007 | 10,102,570.429 | | 2006 | 10,062,672.927 | | 2005 | 10,035,483.125 | | 2004 | 9,953,778.379 | | 2003 | 9,937,168.871 | | 2002 | 9,877,402.818 | | 2001 | 9,853,149.038 | | 2000 | 9,816,716.063 | | 1999 | 9,783,876.534 | | 1998 | 9,735,277.083 | | 1997 | 9,711,413.2 | | 1996 | 9,671,137.538 | | 1995 | 9,632,664.372 | | 1994 | 9,568,503.862 | | 1993 | 9,504,731.444 | | 1992 | 9,627,839.142 | | 1991 | 9,576,188.52 | | 1990 | 9,545,736.5 | | 1989 | 9,526,086.6 | | 1988 | 9,493,576.6 | | 1987 | 9,444,046.6 | | 1986 | 9,419,986.6 | | 1985 | 9,372,576.6 | | 1984 | 9,321,986.6 | | 1983 | 9,313,516.6 | | 1982 | 9,299,906.6 | | 1981 | 9,290,356.6 | | 1980 | 9,278,466.6 | | 1979 | 9,268,336.6 | | 1978 | 9,263,466.6 | | 1977 | 9,246,346.6 | | 1976 | 9,241,666.6 | | 1975 | 9,234,166.6 | | 1974 | 9,222,266.6 | | 1973 | 9,224,046.6 | | 1972 | 9,220,266.6 | | 1971 | 9,212,756.6 | | 1970 | 9,194,726.6 | | 1969 | 9,191,536.6 | | 1968 | 9,181,916.6 | | 1967 | 9,166,376.6 | | 1966 | 9,164,036.6 | | 1965 | 9,158,906.6 | | 1964 | 9,157,106.6 | | 1963 | 9,156,486.6 | | 1962 | 9,148,006.6 | | 1961 | 9,145,806.6 |
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