Year Per 100,000 People 1966 7.7353 1967 10.0101 1968 11.3809 1969 12.0481 1970 12.1246 1977 13.8104 1978 8.8498 1979 5.6052 1980 5.5121 1981 6.2637 1982 6.7724 1983 6.7557 1984 7.9743 1985 8.5524 1986 9.6947 1987 9.3885 1988 9.7231 1989 10.3448 1990 8.8349 1991 7.6063 1992 7.8674 1993 7.0344 1994 7.489 1995 7.2131 1996 7.9872