Year | Value | 2023 | 534,860 | 2022 | 510,496 | 2021 | 489,600 | 2020 | 490,290 | 2019 | 479,720 | 2018 | 465,117 | 2017 | 451,077 | 2016 | 439,058 | 2015 | 428,297 | 2014 | 478,483 | 2013 | 524,919 | 2012 | 575,998 | 2011 | 632,019 | 2010 | 692,612 | 2009 | 717,233 | 2008 | 741,368 | 2007 | 765,132 | 2006 | 788,562 | 2005 | 812,681 | 2004 | 839,607 | 2003 | 868,959 | 2002 | 898,881 | 2001 | 929,032 | 2000 | 959,271 | 1999 | 989,630 | 1998 | 908,834 | 1997 | 834,693 | 1996 | 766,621 | 1995 | 703,493 | 1994 | 643,437 | 1993 | 614,867 | 1992 | 593,508 | 1991 | 568,090 |
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