Year Per 100,000 People 1981 11.3354 1982 9.4324 1985 10.3569 1986 7.6879 1987 6.7416 1988 8.2172 1989 9.6238 1990 14.9947 1991 13.5264 1992 17.7342 1993 20.9532 1994 20.9755 1995 20.7087 1996 14.403 1997 13.1163 1998 13.03 1999 9.096 2000 13.8854 2001 12.01 2002 7.023 2003 10.3005 2004 8.3244 2005 7.2705 2006 9.8324 2007 8.3811 2008 7.5316 2009 6.7698 2010 8.5434 2011 7.8739 2012 6.1944 2013 7.0809 2014 5.9303 2015 7.8355 2016 6.3553