2010 154 vehicles 2009 1,210 vehicles 2008 2,834 vehicles 2007 2,421 vehicles 2006 1,601 vehicles 2005 1,874 vehicles 2004 456 vehicles 2003 700 vehicles 2002 1,097 vehicles 2001 920 vehicles 2000 972 vehicles 1999 1,465 vehicles 1998 922 vehicles