Year Per 100,000 People 1985 35.603 1986 33.1186 1987 39.0874 1988 34.9632 1989 32.3248 1990 33.581 1991 30.1017 1992 32.8201 1993 31.1844 1994 31.5164 1995 24.6426 1996 31.99 1997 26.2377 1998 33.9051 1999 29.7662 2000 31.7396 2001 24.2354 2002 24.6633 2003 25.9091 2004 23.9747 2005 26.9095 2006 26.3423 2007 23.1746 2008 23.7183 2009 25.7291 2010 24.1829 2011 20.4078 2012 26.6295 2013 23.3975 2014 24.5209 2015 23.0428 2016 20.9248