Year Per 100,000 People 1963 5.3617 1964 5.2669 1965 4.9977 1966 4.5241 1967 5.9193 1968 7.0515 1969 4.315 1970 6.0119 1971 6.6932 1979 3.2059 1980 1.7591 1981 0.9047 1984 1.2931