| Year | Value | | 2023 | 2,711,367,229 | | 2022 | 2,653,638,721 | | 2021 | 2,620,122,931 | | 2020 | 2,555,741,437 | | 2019 | 2,585,447,075 | | 2018 | 2,560,282,555 | | 2017 | 2,536,743,623 | | 2016 | 2,513,937,894 | | 2015 | 2,489,968,246 | | 2014 | 2,461,132,178 | | 2013 | 2,436,537,822 | | 2012 | 2,412,354,681 | | 2011 | 2,387,468,242 | | 2010 | 2,359,857,286 | | 2009 | 2,335,279,012 | | 2008 | 2,306,854,176 | | 2007 | 2,280,087,079 | | 2006 | 2,246,287,334 | | 2005 | 2,213,665,110 | | 2004 | 2,182,260,022 | | 2003 | 2,149,087,985 | | 2002 | 2,117,444,483 | | 2001 | 2,086,720,399 | | 2000 | 2,056,040,873 | | 1999 | 2,016,009,829 | | 1998 | 1,970,029,606 | | 1997 | 1,928,088,929 | | 1996 | 1,886,994,123 | | 1995 | 1,850,304,336 | | 1994 | 1,813,771,281 | | 1993 | 1,779,132,370 | | 1992 | 1,751,032,841 | | 1991 | 1,719,109,466 |
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