| Year | Value | | 2021 | 4,058,103.538 | | 2020 | 4,058,103.538 | | 2019 | 4,058,103.538 | | 2018 | 4,058,103.538 | | 2017 | 4,058,103.538 | | 2016 | 4,052,646 | | 2015 | 4,047,187 | | 2014 | 4,041,729 | | 2013 | 4,036,270 | | 2012 | 4,030,810.538 | | 2011 | 4,050,364 | | 2010 | 4,069,917 | | 2009 | 4,089,470 | | 2008 | 4,109,023 | | 2007 | 4,128,576 | | 2006 | 4,128,988 | | 2005 | 4,129,396 | | 2004 | 4,129,809 | | 2003 | 4,130,223 | | 2002 | 4,130,640 | | 2001 | 4,149,440 | | 2000 | 4,143,990 | | 1999 | 4,138,870 | | 1998 | 4,145,880 | | 1997 | 4,148,850 | | 1996 | 4,163,060 | | 1995 | 4,201,390 | | 1994 | 4,211,390 | | 1993 | 4,229,480 | | 1992 | 4,254,290 | | 1991 | 4,269,480 | | 1990 | 4,269,480 | | 1989 | 4,269,480 | | 1988 | 4,269,480 | | 1987 | 4,269,480 | | 1986 | 4,313,990 | | 1985 | 4,313,990 | | 1984 | 4,313,990 | | 1983 | 4,313,990 | | 1982 | 4,313,990 | | 1981 | 4,281,630 | | 1980 | 4,281,630 | | 1979 | 4,281,630 | | 1978 | 4,281,630 | | 1977 | 4,303,310 | | 1976 | 4,301,580 | | 1975 | 4,301,580 | | 1974 | 4,301,580 | | 1973 | 4,312,000 | | 1972 | 4,323,000 | | 1971 | 4,333,000 | | 1970 | 4,344,000 | | 1969 | 4,354,470 | | 1968 | 4,357,950 | | 1967 | 4,353,070 | | 1966 | 4,355,500 | | 1965 | 4,358,730 | | 1964 | 4,390,120 | | 1963 | 4,414,430 | | 1962 | 4,439,910 | | 1961 | 4,475,090 |
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