| Year | Value | | 2021 | 6,254,681 | | 2020 | 6,164,777 | | 2019 | 6,001,755 | | 2018 | 5,841,751 | | 2017 | 9,377,000 | | 2016 | 8,575,000 | | 2015 | 7,842,000 | | 2014 | 7,206,100 | | 2013 | 6,125,300 | | 2012 | 5,900,000 | | 2011 | 5,300,000 | | 2010 | 3,197,624 | | 2009 | 2,132,890 | | 2008 | 1,135,150 | | 2007 | 381,670 | | 2006 | 216,868 | | 2005 | 105,000 | | 2004 | 50,100 | | 2003 | 9,187 | | 2002 | 8,173 | | 2001 | 8,173 | | 2000 | 7,500 | | 1999 | 4,000 | | 1998 | 3,000 | | 1997 | 2,500 |
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