Year | Value | 2023 | 477,386 | 2022 | 481,153 | 2021 | 471,966 | 2020 | 491,544 | 2019 | 492,910 | 2018 | 498,576 | 2017 | 498,210 | 2016 | 502,782 | 2015 | 501,118 | 2014 | 500,162 | 2013 | 512,194 | 2012 | 522,244 | 2011 | 517,536 | 2010 | 536,339 | 2009 | 554,482 | 2008 | 568,847 | 2007 | 554,585 | 2006 | 548,274 | 2005 | 534,703 | 2004 | 538,360 | 2003 | 542,348 | 2002 | 549,849 | 2001 | 539,444 | 2000 | 529,546 | 1999 | 540,095 | 1998 | 558,627 | 1997 | 567,429 | 1996 | 559,994 | 1995 | 564,016 | 1994 | 568,791 | 1993 | 577,132 | 1992 | 582,580 | 1991 | 578,541 |
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