Year Per 100,000 People 1955 13.1109 1956 17.496 1957 11.3905 1958 13.695 1959 12.6121 1960 12.6212 1961 15.4287 1962 13.634 1963 15.4393 1964 14.2139 1965 15.1258 1966 15.7369 1967 13.9085 1968 13.044 1969 20.5754 1970 19.8978 1971 13.341 1972 15.0586 1973 14.5679 1974 12.6362 1975 16.3407 1976 11.5017 1977 8.667 1978 13.747 1979 11.3816 1980 14.0839 1981 11.8858 1982 11.26 1983 12.4371 1985 13.2827 1986 12.918 1987 11.1136 1988 12.1496 1989 12.0649 1990 11.8586 1992 11.9836 1993 11.0157 1994 11.799