2016 145 vehicles 2015 471 vehicles 2014 462 vehicles 2013 472 vehicles 2012 410 vehicles 2011 539 vehicles 2010 497 vehicles 2009 469 vehicles 2008 613 vehicles 2007 684 vehicles 2006 609 vehicles 2005 952 vehicles 2004 1,107 vehicles 2003 668 vehicles 2002 626 vehicles 2001 536 vehicles 2000 446 vehicles 1999 560 vehicles 1998 395 vehicles 1997 628 vehicles 1996 649 vehicles 1995 497 vehicles 1994 479 vehicles 1993 323 vehicles 1992 255 vehicles 1991 255 vehicles 1990 365 vehicles 1989 712 vehicles 1988 738 vehicles 1987 529 vehicles 1986 268 vehicles 1985 285 vehicles 1984 308 vehicles 1983 255 vehicles 1982 228 vehicles 1981 192 vehicles 1980 248 vehicles