Year Per 100,000 People 1985 11.9997 1986 11.3053 1987 10.6808 1988 9.0599 1989 9.5898 1990 9.4579 1991 9.488 1992 10.6626 1993 12.3742 1994 11.8768 1995 12.8169 1996 15.5631 1997 15.927 1998 22.8373 1999 18.1349 2000 16.1519 2001 15.8564 2002 19.3211 2003 23.4285 2004 22.7484 2005 22.9836 2006 18.4236 2007 23.1454 2008 25.0938 2009 31.2367 2010 30.1577 2011 31.2046 2012 28.0253 2013 29.4801 2014 29.0956 2015 26.1414