Year Per 100,000 People 1981 10.3184 1982 8.2219 1985 6.9794 1986 6.7137 1987 6.3659 1988 6.6711 1989 6.7918 1990 5.4866 1991 4.7812 1992 5.8862 1994 3.7285 1995 4.5845 1996 5.7032 1997 6.4354 1998 5.3328 1999 6.7778 2000 4.4858 2001 3.2193 2004 6.9923 2005 3.1205 2006 2.5574 2007 3.5269 2009 6.4676 2010 3.9705 2011 3.3848 2012 3.6641 2013 5.3399 2014 7.39 2015 7.0837