Year Per 100,000 People 1963 23.6155 1964 28.6992 1965 29.4596 1966 30.2853 1967 27.6326 1968 39.6762 1969 36.1772 1970 29.4923 1971 32.122 1972 30.4013 1973 35.0703 1974 27.6442 1975 26.6122 1976 22.8183 1977 19.9761 1978 23.8418 1979 22.5873 1980 20.4162 1981 24.1523 1982 24.6039 1983 27.7177 1984 27.6577 1985 23.5545 1986 21.6589 1987 17.7893 1988 19.3715 1989 18.2894 1990 17.5853 1991 15.5054 1992 13.8768 1993 13.2641 1994 12.6435 1995 11.9803 1996 10.7738 1997 12.896 1998 9.5906 1999 8.4896 2000 10.3115 2001 10.1728 2002 9.5593 2003 10.4055 2004 9.1308 2005 9.1839 2006 7.9743 2007 9.448 2008 9.2452 2009 7.3144 2010 6.4643 2011 7.3029 2012 5.089 2013 4.7344 2014 4.3829 2015 4.1506