| Year | Value | | 2021 | 528,581 | | 2020 | 306,631.727 | | 2019 | 1,408,166 | | 2018 | 1,423,791 | | 2017 | 1,092,606 | | 2016 | 936,254 | | 2015 | 1,005,936 | | 2014 | 692,496 | | 2013 | 557,653 | | 2012 | 543,872 | | 2011 | 540,679 | | 2010 | 479,457 | | 2009 | 402,423 | | 2008 | 401,199 | | 2007 | 314,361 | | 2006 | 273,810 | | 2005 | 231,985 | | 2004 | 200,615 | | 2003 | 179,084 | | 2002 | 129,377 | | 2001 | 120,125 | | 2000 | 117,532 | | 1999 | 43,000 | | 1998 | 118,000 | | 1997 | 46,400 | | 1996 | 190,000 | | 1995 | 169,500 | | 1994 | 312,300 | | 1993 | 312,300 | | 1992 | 571,100 |
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