2018 646 vehicles 2017 4,713 vehicles 2016 5,403 vehicles 2015 5,676 vehicles 2014 3,946 vehicles 2013 4,764 vehicles 2012 4,835 vehicles 2011 6,974 vehicles 2010 7,811 vehicles 2009 7,057 vehicles 2008 1,379 vehicles 1993 103 vehicles 1992 469 vehicles 1991 505 vehicles 1990 874 vehicles 1989 829 vehicles 1988 808 vehicles 1987 554 vehicles 1986 451 vehicles 1985 307 vehicles 1984 235 vehicles 1983 113 vehicles