Year Per 100,000 People 1981 4.6197 1982 4.3277 1985 4.3461 1986 5.2277 1987 4.3186 1988 5.43 1989 5.5413 1990 3.9419 1991 3.0097 1992 3.2528 1993 3.6097 1994 0.7724 1995 0.7263 1996 2.0109 1997 1.6391 1998 1.7284 1999 1.0987 2000 1.5052