2008 277 vehicles 2007 488 vehicles 2006 1,003 vehicles 2005 968 vehicles 2004 669 vehicles 2003 231 vehicles 2002 1,890 vehicles 2001 1,752 vehicles 2000 1,020 vehicles 1999 1,124 vehicles 1998 1,037 vehicles 1997 642 vehicles 1996 712 vehicles 1995 246 vehicles 1994 236 vehicles 1993 381 vehicles 1992 269 vehicles 1991 403 vehicles 1990 465 vehicles 1989 453 vehicles 1988 300 vehicles 1987 223 vehicles 1986 181 vehicles 1985 156 vehicles 1983 102 vehicles 1982 161 vehicles 1981 127 vehicles 1980 112 vehicles