Year | Value | 2023 | 628,425,285 | 2022 | 623,286,608 | 2021 | 615,570,676 | 2020 | 612,275,209 | 2019 | 617,688,766 | 2018 | 611,698,667 | 2017 | 606,154,649 | 2016 | 601,315,292 | 2015 | 595,116,781 | 2014 | 591,070,617 | 2013 | 586,725,326 | 2012 | 582,954,485 | 2011 | 578,026,687 | 2010 | 575,876,100 | 2009 | 573,220,965 | 2008 | 570,248,679 | 2007 | 563,354,821 | 2006 | 557,056,967 | 2005 | 549,823,211 | 2004 | 543,202,859 | 2003 | 538,883,928 | 2002 | 534,786,480 | 2001 | 531,511,287 | 2000 | 528,626,558 | 1999 | 523,458,208 | 1998 | 518,740,906 | 1997 | 514,969,227 | 1996 | 509,116,821 | 1995 | 503,976,657 | 1994 | 500,077,368 | 1993 | 495,254,464 | 1992 | 492,195,000 | 1991 | 488,186,899 |
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