| Year | Value | | 2021 | 8,659,330.42 | | 2020 | 8,650,540.42 | | 2019 | 8,637,544.22 | | 2018 | 8,625,195.558 | | 2017 | 8,595,891.933 | | 2016 | 8,572,282.952 | | 2015 | 8,550,635.532 | | 2014 | 8,522,240.388 | | 2013 | 8,493,815.023 | | 2012 | 8,448,354.167 | | 2011 | 8,390,214.511 | | 2010 | 8,351,226.746 | | 2009 | 8,312,413.001 | | 2008 | 8,270,201.398 | | 2007 | 8,246,775.779 | | 2006 | 8,217,107.464 | | 2005 | 8,189,794.379 | | 2004 | 8,113,864.28 | | 2003 | 8,105,263.809 | | 2002 | 8,051,398.843 | | 2001 | 8,028,664.14 | | 2000 | 7,993,880.862 | | 1999 | 7,962,762.65 | | 1998 | 7,923,108.216 | | 1997 | 7,893,271.11 | | 1996 | 7,862,294.018 | | 1995 | 7,833,892.472 | | 1994 | 7,779,143.582 | | 1993 | 7,726,242.784 | | 1992 | 7,599,132.102 | | 1991 | 7,553,383.1 | | 1990 | 7,522,782.7 | | 1989 | 7,505,602.8 | | 1988 | 7,477,662.8 | | 1987 | 7,429,472.8 | | 1986 | 7,406,412.8 | | 1985 | 7,360,522.8 | | 1984 | 7,309,802.8 | | 1983 | 7,299,292.8 | | 1982 | 7,283,962.8 | | 1981 | 7,274,452.8 | | 1980 | 7,261,042.8 | | 1979 | 7,249,442.8 | | 1978 | 7,244,142.8 | | 1977 | 7,227,662.8 | | 1976 | 7,222,922.8 | | 1975 | 7,213,945.8 | | 1974 | 7,199,235.8 | | 1973 | 7,198,724.8 | | 1972 | 7,192,442.8 | | 1971 | 7,184,382.8 | | 1970 | 7,166,472.8 | | 1969 | 7,160,832.8 | | 1968 | 7,151,532.8 | | 1967 | 7,135,572.8 | | 1966 | 7,131,692.8 | | 1965 | 7,126,572.8 | | 1964 | 7,117,222.8 | | 1963 | 7,104,742.8 | | 1962 | 7,086,182.8 | | 1961 | 7,076,222.8 |
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