| Year | Value | | 2022 | 4,348,010 | | 2021 | 4,160,553 | | 2020 | 3,829,408 | | 2019 | 3,746,760 | | 2018 | 3,381,228 | | 2017 | 3,240,589 | | 2016 | 3,288,986 | | 2015 | 3,475,327 | | 2014 | 3,410,507 | | 2013 | 3,246,787 | | 2012 | 3,081,726 | | 2011 | 2,900,263 | | 2010 | 2,363,411 | | 2009 | 1,874,101 | | 2008 | 1,485,791 | | 2007 | 1,151,761 | | 2006 | 823,070 | | 2005 | 563,782 | | 2004 | 522,840 | | 2003 | 444,978 | | 2002 | 332,264 | | 2001 | 332,264 | | 2000 | 222,190 | | 1999 | 92,000 | | 1998 | 15,190 |
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