2016 800 vehicles 2015 2,099 vehicles 2014 2,063 vehicles 2013 1,857 vehicles 2012 1,780 vehicles 2011 2,456 vehicles 2010 3,542 vehicles 2009 4,687 vehicles 2008 4,680 vehicles 2007 4,316 vehicles 2006 4,965 vehicles 2005 6,716 vehicles 2004 7,118 vehicles 2003 8,223 vehicles 2002 10,871 vehicles 2001 10,653 vehicles 2000 11,873 vehicles 1999 9,615 vehicles 1998 9,907 vehicles 1997 8,564 vehicles