Year Per 100,000 People 1981 27.1098 1982 30.314 1985 28.8557 1986 28.1655 1987 28.6114 1988 25.3992 1989 25.1765 1990 22.0579 1991 27.3693 1992 26.2067 1993 25.9284 1994 32.3221 1995 32.8901 1996 27.8725 1997 24.7815 1998 30.4726 1999 27.408 2000 27.3136 2001 26.6441 2002 24.4301 2003 24.0939 2004 22.9162 2005 20.9275 2006 26.7056 2007 20.0129 2008 23.9577 2009 19.5726 2010 24.0955 2011 15.0419 2012 18.9742 2013 22.1983 2014 22.4431 2015 20.5666 2016 19.7642