| Year | Value | | 2022 | 8,361,404,370 | | 2021 | 8,490,377,696 | | 2020 | 8,269,389,258 | | 2019 | 8,214,130,151 | | 2018 | 7,852,212,979 | | 2017 | 7,696,088,110 | | 2016 | 7,451,633,261 | | 2015 | 7,131,647,504.01 | | 2014 | 6,966,384,655 | | 2013 | 6,661,650,082 | | 2012 | 6,260,779,509 | | 2011 | 5,889,696,457 | | 2010 | 5,295,631,563 | | 2009 | 4,636,236,426 | | 2008 | 4,028,681,041 | | 2007 | 3,368,733,569 | | 2006 | 2,745,158,819 | | 2005 | 2,205,849,896 | | 2004 | 1,760,995,437 | | 2003 | 1,415,027,798 | | 2002 | 1,164,277,513 | | 2001 | 960,982,997 | | 2000 | 738,157,897 | | 1999 | 490,984,248 | | 1998 | 318,097,469 | | 1997 | 214,953,349 | | 1996 | 145,042,295 | | 1995 | 90,743,607 | | 1994 | 55,511,640 | | 1993 | 34,163,482 | | 1992 | 23,245,154 | | 1991 | 16,276,503 | | 1990 | 11,210,115 | | 1989 | 7,353,071 | | 1988 | 4,327,956 | | 1987 | 2,545,270 | | 1986 | 1,450,136 | | 1985 | 750,629 | | 1984 | 319,252 | | 1983 | 148,855 | | 1982 | 101,509 | | 1981 | 63,585 | | 1980 | 23,482 |
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