| Year | Value | | 2021 | 7,319,000 | | 2020 | 7,319,000 | | 2019 | 6,843,380 | | 2018 | 6,602,878 | | 2017 | 6,305,862 | | 2016 | 6,504,010 | | 2015 | 7,300,000 | | 2014 | 6,769,312 | | 2013 | 7,160,200 | | 2012 | 6,094,947 | | 2011 | 4,200,000 | | 2010 | 4,000,000 | | 2009 | 3,648,000 | | 2008 | 3,200,000 | | 2007 | 2,500,000 | | 2006 | 1,200,000 | | 2005 | 500,200 | | 2004 | 400,000 | | 2003 | 320,000 | | 2002 | 140,000 | | 2001 | 91,500 | | 2000 | 55,000 | | 1999 | 25,000 | | 1998 | 10,000 |
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