| Year | Value | | 2021 | 1,831,000 | | 2020 | 1,831,000 | | 2019 | 1,595,294 | | 2018 | 1,279,261 | | 2017 | 1,175,389 | | 2016 | 1,248,346 | | 2015 | 1,242,494 | | 2014 | 1,155,620 | | 2013 | 1,360,300 | | 2012 | 1,143,114 | | 2011 | 992,444 | | 2010 | 979,232 | | 2009 | 863,641 | | 2008 | 570,000 | | 2007 | 340,000 | | 2006 | 110,000 | | 2005 | 100,000 | | 2004 | 60,000 | | 2003 | 40,000 | | 2002 | 12,600 | | 2001 | 11,000 | | 2000 | 4,967 | | 1999 | 4,162 | | 1998 | 1,633 | | 1997 | 1,370 | | 1996 | 1,071 | | 1995 | 44 |
|