2000 4,548
2001 4,494
2002 3,505
2003 9,466
2004 9,289
2005 15,421
2006 13,507
2007 12,138
2008 9,572
2009 7,929
Source: DNR
2000 4,548
2001 4,494
2002 3,505
2003 9,466
2004 9,289
2005 15,421
2006 13,507
2007 12,138
2008 9,572
2009 7,929
Source: DNR