2016 1,270 vehicles 2015 5,044 vehicles 2014 5,158 vehicles 2013 4,945 vehicles 2012 6,004 vehicles 2011 2,679 vehicles 2010 2,217 vehicles 2009 2,719 vehicles 2008 3,604 vehicles 2007 4,157 vehicles 2006 4,593 vehicles 2005 6,388 vehicles 2004 4,501 vehicles 2003 3,195 vehicles 2002 3,740 vehicles 2001 4,696 vehicles 2000 4,676 vehicles 1999 4,139 vehicles 1998 3,292 vehicles 1997 2,420 vehicles 1996 186 vehicles