Year Per 100,000 People 1975 7.6288 1976 6.0399 1977 6.6143 1978 5.6261 1979 6.7328 1980 6.245 1981 5.2176 1982 3.9259 1983 4.5054 1984 4.9509 1985 4.2741 1986 6.0277 1987 5.3621 1988 6.4719 1989 6.4025 1990 6.1063 1991 6.6035 1992 7.0778 1993 7.1784 1994 7.4195 1995 7.2228 1996 5.5361 1997 7.3359 1998 6.197 1999 6.8104 2000 7.6035 2001 8.0712 2002 6.9861 2003 6.7238 2004 7.5054 2005 6.7461 2006 6.9388 2007 4.8907 2008 5.8406 2009 5.636 2010 6.9052 2011 4.761 2012 4.5366 2013 3.7188 2014 4.2377 2015 4.4538