Year Per 100,000 People 1981 0.5498 1982 0.5338 1985 0.3104 1986 0.3452 1987 0.2733 1988 1.0564 1989 0.3325 1990 0.3339 1991 0.1431 1992 0.2475 1993 0.6115 1994 0.2857 1995 0.1595 1996 0.4245 1997 0.4337 1998 0.2725