| Year | Value | | 2022 | 6,762,250,889 | | 2021 | 6,928,542,307 | | 2020 | 6,740,045,132 | | 2019 | 6,685,093,543 | | 2018 | 6,346,187,209 | | 2017 | 6,208,311,439 | | 2016 | 5,966,809,743 | | 2015 | 5,662,199,227 | | 2014 | 5,506,471,223 | | 2013 | 5,225,935,002 | | 2012 | 4,854,196,348 | | 2011 | 4,520,873,294 | | 2010 | 3,979,806,606 | | 2009 | 3,350,899,416 | | 2008 | 2,789,996,552 | | 2007 | 2,198,048,444 | | 2006 | 1,686,702,239 | | 2005 | 1,249,579,308 | | 2004 | 898,938,923 | | 2003 | 637,376,962 | | 2002 | 459,411,060 | | 2001 | 322,391,403 | | 2000 | 201,581,902 | | 1999 | 108,889,963 | | 1998 | 60,093,665 | | 1997 | 37,095,348 | | 1996 | 20,205,136 | | 1995 | 11,215,767 | | 1994 | 5,473,014 | | 1993 | 2,530,841 | | 1992 | 1,276,162 | | 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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