2013 159 vehicles 2012 341 vehicles 2011 602 vehicles 2010 1,164 vehicles 2009 3,221 vehicles 2008 5,900 vehicles 2007 6,265 vehicles 2002 391 vehicles 2001 4,978 vehicles 2000 5,214 vehicles 1999 5,662 vehicles 1998 6,445 vehicles 1997 5,089 vehicles 1996 3,470 vehicles 1995 153 vehicles