Year | Value | 2023 | 619,181 | 2022 | 620,271 | 2021 | 612,560 | 2020 | 596,077 | 2019 | 629,694 | 2018 | 611,572 | 2017 | 590,516 | 2016 | 590,467 | 2015 | 556,084 | 2014 | 517,456 | 2013 | 513,930 | 2012 | 572,397 | 2011 | 611,909 | 2010 | 542,123 | 2009 | 529,646 | 2008 | 523,134 | 2007 | 528,118 | 2006 | 532,943 | 2005 | 537,211 | 2004 | 540,930 | 2003 | 544,294 | 2002 | 547,458 | 2001 | 546,148 | 2000 | 551,093 | 1999 | 553,707 | 1998 | 560,666 | 1997 | 565,671 | 1996 | 555,819 | 1995 | 562,025 | 1994 | 572,172 | 1993 | 579,145 | 1992 | 587,570 | 1991 | 580,941 |
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