Year Per 100,000 People 1965 1.4103 1966 3.3112 1967 5.1384 1968 6.0451 1969 4.4145 1970 3.4477 1971 4.4796 1972 4.8974 1973 5.2338 1974 5.1456 1975 6.8074 1976 5.5269 1977 4.531 1978 4.3492 1979 3.7982 1980 3.51 1981 2.4893 1982 3.7449 1983 3.8712 1984 3.1412 1985 3.2902