Year Per 100,000 People 1989 17.9693 1990 15.6181 1991 17.1263 1992 19.9886 1993 18.5895 1994 18.6044 1995 16.462 1996 17.7172 1997 17.2131 1998 16.6955 1999 17.6445 2000 17.9137 2001 16.4746 2002 18.5521 2003 18.8239 2004 18.4662 2005 18.5693 2006 18.4281 2007 17.2617 2008 17.4941 2009 16.6084 2010 17.5852 2011 16.8163 2012 15.8362 2013 16.5144 2014 15.8572 2015 16.1113 2016 15.3744