Year Per 100,000 People 1951 9.4445 1952 9.8637 1953 13.5049 1954 19.7898 1955 19.2784 1956 15.9312 1957 14.9935 1958 14.1767 1959 18.3093 1960 17.1367 1961 19.3717 1962 17.476 1963 17.2683 1964 21.0049 1965 23.587 1966 22.7169 1967 23.5476 1968 24.2042 1969 27.3252 1970 27.4082 1971 27.6901 1972 26.5596 1973 27.6768 1974 21.3235 1975 21.8061 1976 25.7141 1977 23.2991 1978 25.737 1979 23.6572 1980 23.3723 1981 20.9412 1982 17.2232 1983 16.7069 1984 20.3701 1985 21.0033 1986 20.6874 1987 18.7553 1988 19.5946 1989 17.3124 1990 16.348 1991 15.1083 1992 16.2815 1993 14.2114 1994 15.3085 1995 18.1538 1996 15.3971 1997 13.7142 1998 15.0051 1999 17.1015 2000 14.9526 2001 12.5509 2002 13.6184 2003 11.5064 2004 10.2084 2005 9.8303 2006 9.3661 2007 7.6996 2008 10.4362 2009 9.3751 2010 6.1291 2011 4.3079 2012 4.0643 2013 3.7223 2014 3.3856 2015 4.4681