Year Per 100,000 People 1955 12.6581 1956 11.1689 1957 12.2023 1958 13.7602 1959 13.855 1960 13.9885 1961 13.9929 1962 13.6127 1963 15.2483 1964 15.1148 1965 15.8137 1966 15.5913 1967 15.6581 1968 15.9743 1969 15.7797 1970 15.9777 1971 17.1203 1972 17.3792 1973 16.9939 1974 18.6135 1975 17.4023 1976 18.8903 1977 19.9613 1978 20.9819 1979 20.888 1980 20.9642 1981 22.7445 1982 20.2509 1983 20.9629 1984 19.9017 1985 17.9346 1986 20.2704 1987 19.9941 1988 20.0602 1989 17.6155 1990 16.1519 1991 15.3521 1992 14.6878 1993 13.4837 1994 12.383 1995 11.9825 1996 11.8751 1997 10.7325 1998 10.4286 1999 10.6412 2000 10.6723 2001 9.2141 2002 8.7631 2003 8.2221 2004 8.7033 2005 7.8283 2006 8.0344 2007 7.1477 2008 7.3041 2009 7.6086 2010 7.2269 2011 7.3603 2012 6.8812 2013 6.5052 2014 5.8119 2015 6.0161 2016 5.6562