Year | Value | 2021 | 12,432 | 2020 | 16,611 | 2019 | 35,741 | 2018 | 31,676 | 2017 | 29,562 | 2016 | 26,857 | 2015 | 22,939 | 2014 | 21,168 | 2013 | 17,820 | 2012 | 14,608 | 2011 | 14,378 | 2010 | 12,101 | 2009 | 5,868 | 2008 | 6,371 | 2007 | 6,210 | 2006 | 5,646 | 2005 | 5,407 | 2004 | 6,211 | 2003 | 6,047 | 2002 | 5,545 | 2001 | 5,891 | 2000 | 5,772 | 1999 | 6,100 | 1998 | 5,700 | 1997 | 5,600 | 1996 | 31,800 | 1995 | 35,300 | 1994 | 35,300 | 1993 | 35,300 |
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