Year Per 100,000 People 1955 6.7004 1956 4.7973 1957 3.0713 1958 2.3394 1959 3.8393 1960 6.5928 1961 9.314 1962 10.1463 1963 11.6805 1964 10.0952 1965 11.5495 1966 11.4766 1967 8.8623 1968 7.7974 1969 6.6936 1970 5.4615 1971 3.6848 1972 2.581 1973 5.7308 1974 4.9202 1975 4.1967 1976 2.946 1977 2.7528 1978 2.3637 1979 2.7402 1980 2.9795 1981 2.5759 1982 2.2528 1983 2.8325 1984 1.8204 1985 3.7341 1986 6.0104 1987 5.1672