Year Per 100,000 People 1966 7.6413 1967 9.8141 1968 11.3255 1969 11.9322 1970 11.2916 1977 13.5116 1978 8.3596 1979 5.5093 1980 5.17 1981 6.2415 1982 6.145 1983 6.407 1984 7.3983 1985 7.4001 1986 8.2742 1987 7.9234 1988 8.2855 1989 8.5534 1990 6.8695 1991 6.5146 1992 6.9126 1993 6.076 1994 6.3395 1995 6.0552 1996 6.3888