Year Per 100,000 People 1985 21.1538 1986 20.1741 1987 19.9082 1988 21.4159 1989 18.1947 1990 22.0508 1991 20.698 1992 22.5108 1993 20.0754 1994 18.5087 1995 19.271 1996 18.3573 1997 18.9143 1998 19.5697 1999 20.4777 2000 18.7583 2001 18.9633 2002 15.9986 2003 16.5983 2004 16.8269 2005 17.0382 2006 13.804 2007 13.9596 2008 14.044 2009 13.4101 2010 11.7961 2011 12.3872 2012 12.4347 2013 14.7744 2014 11.4797 2015 12.5784 2016 12.6369