| Year | Value | | 2021 | 4,822,973 | | 2020 | 4,636,690 | | 2019 | 4,636,926 | | 2018 | 3,662,336 | | 2017 | 3,711,813 | | 2016 | 3,958,510 | | 2015 | 3,727,162 | | 2014 | 4,618,586 | | 2013 | 4,612,612 | | 2012 | 4,300,000 | | 2011 | 5,480,851 | | 2010 | 4,003,395 | | 2009 | 3,234,642 | | 2008 | 2,022,133 | | 2007 | 1,478,409 | | 2006 | 1,009,565 | | 2005 | 657,528 | | 2004 | 204,191 | | 2003 | 112,275 | | 2002 | 55,160 | | 2001 | 29,545 | | 2000 | 12,681 | | 1999 | 12,078 | | 1998 | 6,453 | | 1997 | 4,915 | | 1996 | 3,790 | | 1995 | 1,539 | | 1994 | 625 | | 1993 | 340 | | 1992 | 290 |
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