2003 126 vehicles 2002 233 vehicles 2001 150 vehicles 2000 205 vehicles 1999 289 vehicles 1998 422 vehicles 1997 662 vehicles 1996 493 vehicles 1995 505 vehicles 1994 472 vehicles 1993 513 vehicles 1992 447 vehicles 1991 392 vehicles 1990 289 vehicles 1989 169 vehicles