2002 244 vehicles 2001 743 vehicles 2000 1,178 vehicles 1999 1,234 vehicles 1998 1,555 vehicles 1997 1,731 vehicles 1996 1,550 vehicles 1995 1,165 vehicles 1994 808 vehicles 1993 719 vehicles 1992 578 vehicles 1991 587 vehicles 1990 188 vehicles