Year Per 100,000 People 1981 16.8044 1982 14.0857 1985 12.0872 1986 10.0048 1987 8.6331 1988 13.8749 1989 11.4091 1990 11.2371 1991 11.4829 1992 16.1017 1993 17.8051 1994 15.6826 1995 19.301 1996 15.938 1997 17.7072 1998 12.3898 1999 15.8323 2000 14.5388 2001 16.3429 2002 18.6992 2003 13.727 2004 10.7131 2005 13.6936 2006 9.0884 2007 9.5437 2008 8.3554 2009 8.7815 2010 12.2175 2011 7.5179 2012 7.6004 2013 8.231 2014 7.3205 2015 8.1117 2016 5.8283