Year Per 100,000 People 1990 0.7727 1991 0.8778 1992 0.8703 1993 0.8005 1994 0.7947 1995 0.6927 1996 0.679 1997 0.6631 1998 0.6108 1999 0.5814 2000 0.5394 2001 0.5256 2002 0.5172 2003 0.5076 2004 0.5123 2005 0.4154 2006 0.5074 2007 0.472 2008 0.4656 2009 0.4133 2010 0.5124 2011 0.5661 2012 0.4639 2013 0.5428 2014 0.3937 2015 0.5035