Year | Value | 2023 | 628,753,461 | 2022 | 627,549,197 | 2021 | 621,921,507 | 2020 | 603,558,834 | 2019 | 618,905,081 | 2018 | 613,443,237 | 2017 | 608,750,424 | 2016 | 604,535,925 | 2015 | 600,335,199 | 2014 | 594,981,111 | 2013 | 591,797,212 | 2012 | 589,744,054 | 2011 | 584,193,527 | 2010 | 577,901,541 | 2009 | 577,954,750 | 2008 | 575,073,028 | 2007 | 572,445,889 | 2006 | 565,591,955 | 2005 | 560,733,231 | 2004 | 554,737,621 | 2003 | 548,724,982 | 2002 | 542,418,101 | 2001 | 536,140,859 | 2000 | 531,103,706 | 1999 | 523,442,446 | 1998 | 513,245,842 | 1997 | 504,359,210 | 1996 | 495,942,173 | 1995 | 489,093,634 | 1994 | 480,833,052 | 1993 | 472,409,078 | 1992 | 467,799,320 | 1991 | 460,550,154 |
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