| Year | Value | | 2022 | 6,450,856,813 | | 2021 | 6,520,736,412 | | 2020 | 6,368,939,310 | | 2019 | 6,339,457,472 | | 2018 | 6,076,627,004 | | 2017 | 5,891,479,240 | | 2016 | 5,657,764,874 | | 2015 | 5,350,398,581 | | 2014 | 5,218,272,298 | | 2013 | 4,976,676,562 | | 2012 | 4,644,563,645 | | 2011 | 4,342,383,511 | | 2010 | 3,842,167,781 | | 2009 | 3,244,555,304 | | 2008 | 2,707,261,615 | | 2007 | 2,144,471,868 | | 2006 | 1,654,285,096 | | 2005 | 1,230,530,663 | | 2004 | 886,335,613 | | 2003 | 630,239,258 | | 2002 | 455,968,263 | | 2001 | 320,625,113 | | 2000 | 200,921,505 | | 1999 | 108,647,809 | | 1998 | 59,970,557 | | 1997 | 37,037,642 | | 1996 | 20,170,486 | | 1995 | 11,193,538 | | 1994 | 5,463,333 | | 1993 | 2,524,861 | | 1992 | 1,274,408 | | 1991 | 649,746 | | 1990 | 318,575 | | 1989 | 137,429 | | 1988 | 71,973 | | 1987 | 38,326 | | 1986 | 16,534 | | 1985 | 2,029 | | 1984 | 1,750 |
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