2015 186 vehicles 2014 488 vehicles 2013 601 vehicles 2012 1,526 vehicles 2011 1,701 vehicles 2010 1,883 vehicles 2009 4,821 vehicles 2008 5,863 vehicles 2007 7,936 vehicles 2006 8,950 vehicles 2005 12,637 vehicles 2004 14,197 vehicles 2003 9,028 vehicles 2002 9,399 vehicles 2001 14,270 vehicles 2000 21,846 vehicles 1999 17,964 vehicles 1998 10,498 vehicles 1997 10,802 vehicles 1996 11,357 vehicles 1995 8,697 vehicles 1994 7,281 vehicles 1993 4,130 vehicles 1992 3,387 vehicles 1991 3,387 vehicles 1990 3,814 vehicles 1989 1,819 vehicles 1988 1,028 vehicles 1987 746 vehicles 1986 519 vehicles 1985 351 vehicles 1984 260 vehicles 1983 285 vehicles 1982 136 vehicles