2008 246 vehicles 2007 356 vehicles 2006 394 vehicles 2005 412 vehicles 2004 277 vehicles 2003 290 vehicles 2002 284 vehicles 2001 179 vehicles 2000 291 vehicles 1999 310 vehicles 1998 115 vehicles 1996 103 vehicles 1995 228 vehicles 1994 436 vehicles 1993 251 vehicles 1992 177 vehicles 1991 201 vehicles 1990 344 vehicles 1989 971 vehicles 1988 760 vehicles 1987 1,116 vehicles 1986 746 vehicles 1985 624 vehicles 1984 604 vehicles 1983 460 vehicles 1982 397 vehicles 1981 238 vehicles 1980 594 vehicles