Year Per 100,000 People 1955 4.1951 1956 7.3087 1957 6.6449 1958 6.0508 1959 7.472 1960 5.8819 1961 0.99 1962 13.2421 1963 8.6993 1964 6.9426 1965 9.8637 1966 5.0594 1967 10.0265 1968 7.3369 1969 6.1445 1970 2.0771 1971 3.3133 1972 3.8615 1973 2.5299 1974 4.8193 1975 3.6379 1976 0.6195 1977 3.3686 1978 3.2917 1979 1.6067 1980 3.2685 1981 1.0091 1982 2.0718 1983 2.0316 1984 3.8786 1985 6.8108 1986 4.7543 1987 6.9798