| Year | Value | | 2021 | 1,598,685 | | 2020 | 1,323,070 | | 2019 | 4,976,410 | | 2018 | 4,058,762 | | 2017 | 3,441,024 | | 2016 | 2,843,133 | | 2015 | 2,527,368 | | 2014 | 2,636,612.7588988 | | 2013 | 2,754,720 | | 2012 | 2,888,683 | | 2011 | 3,299,391 | | 2010 | 3,158,051 | | 2009 | 1,301,848 | | 2008 | 1,371,810 | | 2007 | 1,344,912 | | 2006 | 1,409,620 | | 2005 | 1,032,128 | | 2004 | 593,662 | | 2003 | 339,747 | | 2002 | 264,991 | | 2001 | 255,392 | | 2000 | 278,396 | | 1999 | 196,200 | | 1998 | 229,100 | | 1997 | 229,100 | | 1996 | 275,900 | | 1995 | 173,000 | | 1994 | 167,000 | | 1993 | 111,200 | | 1992 | 65,700 |
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