Year Per 100,000 People 1979 32.6638 1980 29.6368 1981 28.2738 1982 27.0299 1983 27.9194 1984 28.8572 1985 30.3881 1986 31.1724 1987 31.6419 1988 31.4387 1989 27.4947 1990 26.4051 1991 28.3812 1992 27.9844