Year Per 100,000 People 1967 12.0276 1968 11.7536 1969 13.6841 1970 12.97 1971 11.917 1972 12.1659 1973 11.2787 1974 11.4751 1975 9.6089 1976 12.8672 1977 14.4299 1978 16.9662 1979 17.6504 1980 11.4736 1981 15.205 1982 19.0327 1983 18.7421 1984 16.7155 1985 12.6885 1986 11.5097 1987 17.1002 1988 15.7929 1989 16.9063 1990 15.1998 1991 16.2625 1992 12.2069 1993 14.2763 1994 15.7661 1995 13.1806 1996 14.5398 1997 16.5447 1998 12.7869 1999 13.9438 2000 11.7276 2001 13.6188 2002 15.4568 2003 9.5107 2004 11.2412 2005 8.8021 2006 11.1253 2007 13.5735 2008 6.8377 2009 7.7968 2010 8.6008 2011 8.414 2012 7.8006 2013 5.451 2014 9.8453 2015 9.0416