2013 580 vehicles 2012 1,738 vehicles 2011 2,061 vehicles 2010 3,450 vehicles 2009 5,890 vehicles 2008 8,257 vehicles 2007 8,858 vehicles 2006 8,370 vehicles 2005 7,643 vehicles 2004 2,012 vehicles 2003 454 vehicles 2002 870 vehicles 2001 904 vehicles 2000 1,184 vehicles 1999 1,923 vehicles 1998 2,764 vehicles 1997 2,815 vehicles 1996 1,977 vehicles 1995 585 vehicles 1994 923 vehicles 1993 1,127 vehicles 1992 1,202 vehicles 1991 942 vehicles 1990 714 vehicles 1989 467 vehicles 1988 472 vehicles 1987 345 vehicles 1986 110 vehicles