| Year | Value | | 2021 | 38,213,000 | | 2020 | 38,213,000 | | 2019 | 38,696,000 | | 2018 | 39,178,451 | | 2017 | 36,096,396 | | 2016 | 32,120,305 | | 2015 | 27,516,055 | | 2014 | 23,021,340 | | 2013 | 21,362,289 | | 2012 | 16,608,622 | | 2011 | 13,354,477 | | 2010 | 9,195,562 | | 2009 | 5,597,880 | | 2008 | 4,200,000 | | 2007 | 3,268,895 | | 2006 | 1,157,102 | | 2005 | 227,316 | | 2004 | 116,778 | | 2003 | 81,867 | | 2002 | 21,881 | | 2001 | 17,286 | | 2000 | 10,226 | | 1999 | 5,500 |
|