| Year | Value | | 2022 | 3,353,669,405 | | 2021 | 3,323,637,442 | | 2020 | 3,288,659,224 | | 2019 | 3,251,348,879 | | 2018 | 3,212,753,577 | | 2017 | 3,173,371,448 | | 2016 | 3,133,098,065 | | 2015 | 3,093,047,311 | | 2014 | 3,053,100,301 | | 2013 | 3,012,881,348 | | 2012 | 2,972,509,007 | | 2011 | 2,932,341,906 | | 2010 | 2,893,030,197 | | 2009 | 2,854,800,067 | | 2008 | 2,817,144,331 | | 2007 | 2,780,291,272 | | 2006 | 2,744,057,348 | | 2005 | 2,707,421,078 | | 2004 | 2,670,631,318 | | 2003 | 2,633,905,985 | | 2002 | 2,597,182,953 | | 2001 | 2,560,348,016 | | 2000 | 2,523,525,835 | | 1999 | 2,486,749,221 | | 1998 | 2,449,492,153 | | 1997 | 2,411,759,004 | | 1996 | 2,373,724,440 | | 1995 | 2,335,472,778 | | 1994 | 2,297,238,873 | | 1993 | 2,258,779,245 | | 1992 | 2,220,100,164 | | 1991 | 2,181,339,007 | | 1990 | 2,141,793,632 | | 1989 | 2,101,681,053 | | 1988 | 2,061,336,613 | | 1987 | 2,020,706,709 | | 1986 | 1,980,355,254 | | 1985 | 1,940,841,379 | | 1984 | 1,902,254,961 | | 1983 | 1,864,478,151 | | 1982 | 1,826,744,793 | | 1981 | 1,789,588,270 | | 1980 | 1,754,393,503 | | 1979 | 1,720,121,914 | | 1978 | 1,686,201,447 | | 1977 | 1,653,188,457 | | 1976 | 1,620,726,147 | | 1975 | 1,588,150,764 | | 1974 | 1,555,537,282 | | 1973 | 1,522,343,839 | | 1972 | 1,489,027,763 | | 1971 | 1,456,083,594 | | 1970 | 1,422,662,637 | | 1969 | 1,389,509,201 | | 1968 | 1,356,995,051 | | 1967 | 1,325,639,366 | | 1966 | 1,295,227,401 | | 1965 | 1,264,885,148 | | 1964 | 1,235,992,334 | | 1963 | 1,207,616,928 | | 1962 | 1,179,474,119 | | 1961 | 1,157,292,546 | | 1960 | 1,141,542,372 |
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