Year Per 100,000 People 1961 4.1957 1962 2.9711 1963 4.8912 1964 4.0309 1965 3.3072 1966 4.6956 1967 4.3448 1968 3.9739 1969 4.4484 1970 3.3695 1971 4.5135 1972 4.327 1973 3.8224 1974 5.2543 1975 5.5111 1976 7.7612 1977 5.3926 1978 5.0736 1979 4.3969 1980 6.4681 1981 4.8651 1982 5.1316 1983 6.4538 1984 5.4699 1985 5.7605 1986 6.3171 1987 5.1288 1988 6.0433 1989 6.4502 1990 6.1188 1991 4.7637 1992 5.4257 1993 5.9857 1994 5.5986 1995 6.5368