Year Per 100,000 People 1981 25.9172 1982 21.0839 1985 22.8227 1986 18.7552 1987 24.897 1988 29.7292 1989 27.6403 1990 27.9886 1991 37.2546 1992 37.925 1993 47.608 1994 18.8619 1995 13.408 1996 12.1455 1997 12.4296 1998 12.5229