2019 284 vehicles 2018 569 vehicles 2017 1,081 vehicles 2016 1,092 vehicles 2015 3,133 vehicles 2014 3,376 vehicles 2013 3,211 vehicles 2012 3,205 vehicles 2011 5,662 vehicles 2010 9,134 vehicles 2009 3,584 vehicles 2008 8,757 vehicles 2007 16,024 vehicles 2006 18,259 vehicles 2005 20,930 vehicles 2004 33,654 vehicles 2003 14,791 vehicles 2002 9,715 vehicles 2001 8,474 vehicles 2000 4,947 vehicles 1999 1,417 vehicles 1998 396 vehicles 1997 122 vehicles