Year Per 100,000 People 1950 11.039 1951 10.6348 1952 10.0459 1953 12.0471 1954 14.1651 1955 12.9288 1956 16.1785 1957 20.9759 1958 15.9665 1959 12.7881 1960 15.5548 1961 13.6411 1962 13.8895 1963 15.7017 1964 17.021 1965 22.1084 1966 22.5221 1967 23.3184 1968 18.4198 1969 16.09 1970 23.7309 1971 19.2963 1972 19.6382 1973 23.5228 1974 13.3901 1975 17.1271 1976 17.8538 1977 21.4936 1978 19.3194 1979 20.4008 1980 16.9166 1981 17.3281 1982 18.1903 1983 15.0733 1984 17.5403 1985 17.0773 1986 20.8325 1987 16.1844 1988 15.5967 1989 19.2517 1990 18.6442 1991 12.8213 1992 15.7593 1993 11.0947 1994 15.1459 1995 15.8249 1996 11.8596 1997 10.8153 1998 10.7487 1999 11.3837 2000 9.5747 2001 10.378 2002 10.49 2003 9.7621 2004 9.7276 2005 9.0443 2006 9.029 2007 8.1221 2008 7.7324 2009 7.8568 2010 8.6744 2011 7.8621 2012 7.1882 2013 7.1298