2008 108 vehicles 2007 155 vehicles 2006 181 vehicles 2005 152 vehicles 2004 186 vehicles 2003 168 vehicles 2002 210 vehicles 2001 180 vehicles 2000 114 vehicles 1999 105 vehicles 1998 172 vehicles 1997 225 vehicles 1996 119 vehicles 1993 236 vehicles 1992 172 vehicles 1991 185 vehicles 1990 264 vehicles 1989 328 vehicles 1988 436 vehicles 1987 255 vehicles 1986 307 vehicles 1985 463 vehicles 1984 417 vehicles 1983 517 vehicles 1982 445 vehicles 1981 284 vehicles 1980 195 vehicles