2011 275 vehicles 2010 279 vehicles 2009 253 vehicles 2008 619 vehicles 2007 1,018 vehicles 2006 810 vehicles 2005 1,739 vehicles 2004 1,446 vehicles 2003 1,013 vehicles 2002 1,164 vehicles 2001 1,358 vehicles 2000 946 vehicles 1999 689 vehicles 1998 461 vehicles