| Year | Value | | 2022 | 49,844,134 | | 2021 | 46,885,799 | | 2020 | 40,798,396 | | 2019 | 37,123,208 | | 2018 | 36,470,600 | | 2017 | 35,375,246 | | 2016 | 28,889,317 | | 2015 | 37,752,782 | | 2014 | 37,102,958 | | 2013 | 28,231,900 | | 2012 | 20,092,678 | | 2011 | 15,644,877 | | 2010 | 11,820,348 | | 2009 | 9,458,557 | | 2008 | 9,937,622 | | 2007 | 6,592,000 | | 2006 | 4,415,470 | | 2005 | 2,746,094 | | 2004 | 1,990,722 | | 2003 | 1,246,225 | | 2002 | 560,000 | | 2001 | 150,000 | | 2000 | 15,000 | | 1999 | 12,000 | | 1998 | 10,000 | | 1997 | 8,900 | | 1996 | 7,200 | | 1995 | 8,500 |
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