Year Per 100,000 People 1979 3.0551 1980 3.0657 1981 4.5551 1982 4.4754 1983 3.1492 1984 4.2484 1985 3.7785 1986 7.1207 1987 2.4434 1988 3.727 1989 3.758 1990 3.8789 1991 5.7351 1992 3.9716