| Year | Value | | 2023 | 1,164,478 | | 2022 | 1,063,179 | | 2021 | 972,461 | | 2020 | 908,417 | | 2019 | 900,098 | | 2018 | 834,010 | | 2017 | 792,810 | | 2016 | 771,324 | | 2015 | 766,067 | | 2014 | 797,872 | | 2013 | 862,477 | | 2012 | 960,843 | | 2011 | 1,075,884 | | 2010 | 918,232 | | 2009 | 911,627 | | 2008 | 932,553 | | 2007 | 927,389 | | 2006 | 924,478 | | 2005 | 937,670 | | 2004 | 972,656 | | 2003 | 1,007,201 | | 2002 | 1,004,710 | | 2001 | 1,001,468 | | 2000 | 997,933 | | 1999 | 857,631 | | 1998 | 735,109 | | 1997 | 761,558 | | 1996 | 789,461 | | 1995 | 818,555 | | 1994 | 773,527 | | 1993 | 731,494 | | 1992 | 696,311 | | 1991 | 664,117 |
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