2007 840 vehicles 2006 1,144 vehicles 2006 119 vehicles 2005 2,944 vehicles 2005 113 vehicles 2004 4,189 vehicles 2003 5,487 vehicles 2002 5,635 vehicles 2001 5,392 vehicles 2000 4,264 vehicles 2000 100 vehicles 1999 2,581 vehicles 1999 175 vehicles 1998 2,369 vehicles 1998 318 vehicles 1997 460 vehicles