2009 175 vehicles 2008 182 vehicles 2007 279 vehicles 2006 437 vehicles 2005 730 vehicles 2004 912 vehicles 2003 1,767 vehicles 2002 1,951 vehicles 2001 2,042 vehicles 2000 2,508 vehicles 1999 2,491 vehicles 1998 2,339 vehicles 1997 1,452 vehicles 1996 660 vehicles 1995 367 vehicles