2021 506 vehicles 2020 5,311 vehicles 2019 5,987 vehicles 2018 6,440 vehicles 2017 6,342 vehicles 2016 5,649 vehicles 2015 7,592 vehicles 2014 7,245 vehicles 2013 6,850 vehicles 2012 6,623 vehicles 2011 6,579 vehicles 2010 4,737 vehicles 2009 3,849 vehicles 2008 5,021 vehicles 2007 5,579 vehicles 2006 3,522 vehicles 2005 2,788 vehicles 2004 3,534 vehicles 2003 2,999 vehicles 2002 3,531 vehicles 2001 2,217 vehicles 2000 2,261 vehicles 1999 2,419 vehicles 1998 3,122 vehicles 1997 2,842 vehicles 1996 4,187 vehicles 1995 3,493 vehicles 1994 3,652 vehicles 1993 4,321 vehicles 1992 4,622 vehicles 1991 3,232 vehicles 1990 2,087 vehicles 1989 1,405 vehicles 1988 1,151 vehicles 1987 731 vehicles 1986 527 vehicles 1985 268 vehicles 1984 187 vehicles 1983 105 vehicles