2009 2,803 vehicles 2008 2,552 vehicles 2007 3,773 vehicles 2006 5,092 vehicles 2005 5,391 vehicles 2004 1,691 vehicles 2000 4,910 vehicles 1999 4,846 vehicles 1998 6,312 vehicles 1997 6,665 vehicles 1996 5,689 vehicles 1995 6,477 vehicles 1994 720 vehicles