| Year | Value | | 2022 | 3,363,549,870 | | 2021 | 3,334,611,884 | | 2020 | 3,301,056,762 | | 2019 | 3,264,713,738 | | 2018 | 3,226,618,483 | | 2017 | 3,187,613,232 | | 2016 | 3,147,934,917 | | 2015 | 3,108,457,792 | | 2014 | 3,068,560,137 | | 2013 | 3,028,111,995 | | 2012 | 2,987,547,191 | | 2011 | 2,947,142,306 | | 2010 | 2,907,611,412 | | 2009 | 2,869,192,132 | | 2008 | 2,831,523,934 | | 2007 | 2,794,469,849 | | 2006 | 2,757,885,760 | | 2005 | 2,720,922,206 | | 2004 | 2,683,642,900 | | 2003 | 2,646,271,413 | | 2002 | 2,608,821,482 | | 2001 | 2,571,092,108 | | 2000 | 2,533,098,660 | | 1999 | 2,495,023,166 | | 1998 | 2,456,800,470 | | 1997 | 2,418,037,290 | | 1996 | 2,378,998,883 | | 1995 | 2,339,963,559 | | 1994 | 2,300,955,351 | | 1993 | 2,261,772,719 | | 1992 | 2,222,408,405 | | 1991 | 2,182,557,448 | | 1990 | 2,141,731,674 | | 1989 | 2,099,544,035 | | 1988 | 2,058,336,302 | | 1987 | 2,016,990,745 | | 1986 | 1,975,960,202 | | 1985 | 1,936,279,203 | | 1984 | 1,897,934,593 | | 1983 | 1,860,374,924 | | 1982 | 1,822,746,863 | | 1981 | 1,785,420,653 | | 1980 | 1,749,776,202 | | 1979 | 1,715,235,037 | | 1978 | 1,681,269,661 | | 1977 | 1,648,065,503 | | 1976 | 1,615,441,578 | | 1975 | 1,582,673,399 | | 1974 | 1,549,481,563 | | 1973 | 1,515,395,687 | | 1972 | 1,481,106,852 | | 1971 | 1,447,508,814 | | 1970 | 1,413,690,778 | | 1969 | 1,380,027,878 | | 1968 | 1,346,949,665 | | 1967 | 1,315,164,990 | | 1966 | 1,284,402,424 | | 1965 | 1,253,641,663 | | 1964 | 1,224,394,601 | | 1963 | 1,195,610,232 | | 1962 | 1,167,050,027 | | 1961 | 1,144,785,111 | | 1960 | 1,129,336,241 |
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