2017 101 vehicles 2016 1,203 vehicles 2015 1,383 vehicles 2014 997 vehicles 2013 427 vehicles 2012 350 vehicles 2011 705 vehicles 2010 454 vehicles 2009 372 vehicles 2008 725 vehicles 2007 1,167 vehicles 2006 1,341 vehicles 2005 1,946 vehicles 2004 503 vehicles 2002 141 vehicles 2001 279 vehicles 2000 480 vehicles 1999 688 vehicles 1998 928 vehicles 1997 776 vehicles 1996 118 vehicles 1992 179 vehicles 1991 238 vehicles 1990 587 vehicles 1989 740 vehicles 1988 507 vehicles