Year Per 100,000 People 1963 5.2861 1964 5.1433 1965 4.1472 1966 3.632 1967 5.4527 1968 8.5709 1969 5.2612 1970 5.874 1971 6.6602 1979 1.9558 1980 2.1853 1981 0.5906 1984 0.1858