| Year | Value | | 2021 | 179,200 | | 2020 | 54,940 | | 2019 | 193,668 | | 2018 | 53,259 | | 2013 | 45,000 | | 2012 | 364,733 | | 2011 | 392,312 | | 2010 | 704,753 | | 2009 | 653,320 | | 2008 | 623,688 | | 2007 | 560,626 | | 2006 | 605,817 | | 2005 | 555,795 | | 2004 | 509,904 | | 2003 | 366,581 | | 2002 | 407,777 | | 2001 | 369,164 | | 2000 | 298,232 | | 1999 | 343,100 | | 1998 | 365,300 | | 1997 | 367,800 | | 1996 | 358,100 |
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