Year Per 100,000 People 1955 5.3731 1956 5.6604 1957 6.0275 1958 8.2468 1959 8.7307 1960 7.1586 1961 7.6415 1962 7.6633 1963 9.6932 1964 9.7203 1965 9.4751 1966 9.7334 1967 10.6768 1968 10.2458 1969 10.4648 1970 9.4261 1971 10.4437 1972 10.2267 1973 11.2789 1974 12.2203 1975 11.1341 1976 11.4377 1977 11.3346 1978 12.5767 1979 11.2631 1980 17.9764 1981 10.5577 1982 10.4271 1983 10.3249 1985 7.7051 1986 8.9529 1987 7.953 1988 8.4723 1989 7.384 1990 7.0305 1992 8.2114 1993 7.9581 1994 7.2006