Year Per 100,000 People 1981 17.4708 1982 17.1353 1985 15.1816 1986 11.6603 1987 14.294 1988 14.2887 1989 15.2684 1990 16.0807 1991 15.3975 1992 13.7601 1993 16.3714 1994 16.653 1995 17.2188 1996 13.6243 1997 13.4684 1998 12.8847 1999 13.9142 2000 12.6317 2001 13.0281 2002 13.2631 2003 10.9824 2004 9.7831 2005 9.8754 2006 9.3585 2007 9.7294 2008 9.5671 2009 8.7616 2010 9.7348 2011 9.0615 2012 10.1417 2013 8.2955 2014 8.4217 2015 7.5523