2015 3,477 vehicles 2014 4,437 vehicles 2013 5,041 vehicles 2012 2,819 vehicles 2011 3,256 vehicles 2010 3,613 vehicles 2009 3,088 vehicles 2008 3,986 vehicles 2007 4,647 vehicles 2006 5,322 vehicles 2005 3,229 vehicles 2004 5,440 vehicles 2003 5,891 vehicles 2002 7,422 vehicles 2001 6,410 vehicles 2000 7,009 vehicles 1999 4,064 vehicles 1998 731 vehicles