Year Per 100,000 People 1986 45.5355 1987 40.8692 1988 42.1042 1989 39.8856 1990 42.4197 1991 35.526 1992 37.7056 1993 34.1268 1994 34.8404 1995 28.2365 1996 27.3234 1997 27.0287 1998 24.838 1999 26.4571 2000 24.9849 2001 23.5093 2002 22.1539 2003 23.5382 2004 20.5562 2005 19.5057 2006 18.3128 2007 17.942 2008 17.5268 2009 17.9957 2010 18.2327 2011 17.693 2012 20.9765 2013 19.0494 2014 19.1395 2015 19.43 2016 17.3139