| Year | Value | | 2021 | 10,542,626.28 | | 2020 | 10,532,028.68 | | 2019 | 10,518,137.823 | | 2018 | 10,500,976.834 | | 2017 | 10,468,340.432 | | 2016 | 10,444,995.234 | | 2015 | 10,420,918.537 | | 2014 | 10,391,986.796 | | 2013 | 10,364,678.609 | | 2012 | 10,318,973.091 | | 2011 | 10,261,688.688 | | 2010 | 10,222,831.459 | | 2009 | 10,182,337.964 | | 2008 | 10,131,205.725 | | 2007 | 10,102,600.429 | | 2006 | 10,062,712.927 | | 2005 | 10,035,523.125 | | 2004 | 9,953,818.379 | | 2003 | 9,937,208.871 | | 2002 | 9,877,442.818 | | 2001 | 9,853,189.038 | | 2000 | 9,816,756.063 | | 1999 | 9,783,916.534 | | 1998 | 9,735,317.083 | | 1997 | 9,711,453.2 | | 1996 | 9,671,177.538 | | 1995 | 9,632,704.372 | | 1994 | 9,568,543.862 | | 1993 | 9,504,771.444 | | 1992 | 9,627,879.142 | | 1991 | 9,576,228.52 | | 1990 | 9,545,776.5 | | 1989 | 9,526,136.6 | | 1988 | 9,493,626.6 | | 1987 | 9,444,106.6 | | 1986 | 9,420,046.6 | | 1985 | 9,372,636.6 | | 1984 | 9,322,046.6 | | 1983 | 9,313,576.6 | | 1982 | 9,299,966.6 | | 1981 | 9,290,406.6 | | 1980 | 9,278,516.6 | | 1979 | 9,268,386.6 | | 1978 | 9,263,516.6 | | 1977 | 9,246,396.6 | | 1976 | 9,241,716.6 | | 1975 | 9,234,216.6 | | 1974 | 9,222,316.6 | | 1973 | 9,224,096.6 | | 1972 | 9,220,316.6 | | 1971 | 9,212,806.6 | | 1970 | 9,194,776.6 | | 1969 | 9,191,586.6 | | 1968 | 9,181,966.6 | | 1967 | 9,166,426.6 | | 1966 | 9,164,086.6 | | 1965 | 9,158,956.6 | | 1964 | 9,157,156.6 | | 1963 | 9,156,536.6 | | 1962 | 9,148,056.6 | | 1961 | 9,145,856.6 |
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