2020 163 vehicles 2019 418 vehicles 2018 666 vehicles 2017 899 vehicles 2016 1,112 vehicles 2015 1,002 vehicles 2014 1,094 vehicles 2013 1,262 vehicles 2012 1,168 vehicles 2011 1,827 vehicles 2010 1,699 vehicles 2009 731 vehicles 2008 1,164 vehicles 2007 1,700 vehicles 2006 2,020 vehicles 2005 1,682 vehicles 2004 2,556 vehicles 2003 3,100 vehicles 2002 1,718 vehicles 2001 2,319 vehicles 2000 2,558 vehicles 1999 3,250 vehicles 1998 6,358 vehicles 1997 5,344 vehicles 1996 5,575 vehicles 1995 5,849 vehicles 1994 4,159 vehicles 1993 3,325 vehicles 1992 2,596 vehicles 1991 1,861 vehicles 1990 2,672 vehicles 1989 2,333 vehicles 1988 1,389 vehicles 1987 552 vehicles 1986 423 vehicles 1985 450 vehicles 1984 379 vehicles 1983 251 vehicles 1982 204 vehicles 1981 131 vehicles