2003 658 vehicles 2002 875 vehicles 2001 869 vehicles 2000 1,099 vehicles 1999 1,626 vehicles 1998 1,242 vehicles 1997 1,967 vehicles 1996 2,164 vehicles 1995 1,985 vehicles 1994 1,786 vehicles 1993 1,835 vehicles 1992 1,529 vehicles 1991 519 vehicles 1990 268 vehicles 1989 119 vehicles