2013 131 vehicles 2012 375 vehicles 2011 277 vehicles 2010 142 vehicles 2009 131 vehicles 2008 133 vehicles 2007 250 vehicles 2006 326 vehicles 2005 610 vehicles 2004 613 vehicles 2003 1,364 vehicles 2002 1,268 vehicles 2001 1,460 vehicles 2000 775 vehicles 1999 530 vehicles