Year Per 100,000 People 1964 12.9313 1965 13.7171 1966 14.0547 1967 15.8227 1968 14.3939 1969 18.2779 1970 16.1905 1971 16.4614 1972 14.1126 1973 14.9402 1974 16.2399 1975 16.6447 1976 17.7281 1977 16.8491 1978 16.8599 1979 17.9725 1980 16.4153 1981 16.7112 1982 17.9473 1983 16.072 1984 21.3127 1985 17.761 1986 17.4049 1987 17.935 1988 18.2666 1989 19.4037 1990 16.1861 1991 17.5714 1992 20.9191 1993 19.3971 1994 20.8838 1995 20.44 1996 22.4038 1997 20.1714 1998 20.2469 1999 19.1887 2000 21.6805 2001 21.3784 2002 18.9812 2003 16.6931 2004 16.8478 2005 16.3876 2006 15.077 2007 12.7225 2008 14.5237 2009 14.7431 2010 14.689 2011 14.7053 2012 14.2582 2013 12.1044 2014 10.0643