Year Per 100,000 People 1989 3.8049 1990 5.143 1991 4.372 1992 4.727 1993 4.0795 1994 4.1954 1995 3.9297 1996 3.5607 1997 3.5056 1998 3.0748 1999 3.0883 2000 3.0562 2001 2.7833 2002 3.046 2003 3.1606 2004 2.5574 2005 2.0431 2006 1.7351 2007 1.6667 2008 1.9666 2009 1.8038 2010 1.8619 2011 1.5535 2012 1.7132 2013 1.4227 2014 1.416 2015 1.1467 2016 1.1862