| Year | Value | | 2023 | 1,452,779,920 | | 2022 | 1,411,656,821 | | 2021 | 1,394,735,735 | | 2020 | 1,356,490,480 | | 2019 | 1,373,773,921 | | 2018 | 1,356,361,542 | | 2017 | 1,341,812,678 | | 2016 | 1,326,327,301 | | 2015 | 1,309,994,483 | | 2014 | 1,293,115,741 | | 2013 | 1,278,664,046 | | 2012 | 1,265,420,635 | | 2011 | 1,252,773,843 | | 2010 | 1,240,296,659 | | 2009 | 1,230,925,184 | | 2008 | 1,217,090,321 | | 2007 | 1,204,637,862 | | 2006 | 1,187,060,989 | | 2005 | 1,170,747,130 | | 2004 | 1,151,579,070 | | 2003 | 1,134,409,325 | | 2002 | 1,117,186,630 | | 2001 | 1,101,622,827 | | 2000 | 1,086,614,763 | | 1999 | 1,066,888,808 | | 1998 | 1,044,026,491 | | 1997 | 1,023,664,514 | | 1996 | 1,003,185,421 | | 1995 | 984,872,432 | | 1994 | 966,933,736 | | 1993 | 947,486,225 | | 1992 | 934,210,745 | | 1991 | 918,076,732 |
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