2020 194 vehicles 2019 385 vehicles 2018 543 vehicles 2017 1,455 vehicles 2016 923 vehicles 2015 1,047 vehicles 2014 1,892 vehicles 2013 4,536 vehicles 2012 4,629 vehicles 2011 4,978 vehicles 2010 3,861 vehicles 2009 3,254 vehicles 2008 4,835 vehicles 2007 5,985 vehicles 2006 5,081 vehicles 2005 4,746 vehicles 2004 4,871 vehicles 2003 4,681 vehicles 2002 4,273 vehicles 2001 4,071 vehicles 2000 4,052 vehicles 1999 3,950 vehicles 1998 3,499 vehicles 1997 4,276 vehicles 1996 4,577 vehicles 1995 5,280 vehicles 1994 5,047 vehicles 1993 3,270 vehicles 1992 2,062 vehicles 1991 2,137 vehicles 1990 2,980 vehicles 1989 4,651 vehicles 1988 5,570 vehicles 1987 3,757 vehicles 1986 2,712 vehicles 1985 2,295 vehicles 1984 2,317 vehicles 1983 2,115 vehicles 1982 1,717 vehicles 1981 1,420 vehicles 1980 1,524 vehicles