Year Per 100,000 People 1986 24.7844 1987 27.2276 1988 29.7574 1989 31.8056 1990 34.834 1991 30.1182 1992 30.8534 1993 31.702 1994 19.3268 1995 17.332 1996 15.7781 1997 14.4818 1998 13.3135 1999 12.0718 2000 12.1255 2001 11.7457 2002 11.0024 2003 10.13 2004 9.9999 2005 8.2717 2006 7.5295 2007 9.1727 2008 10.3194 2009 8.0014 2010 6.096 2011 6.918 2012 7.2959 2013 6.5994 2014 5.8795 2015 6.9881 2016 6.0784