Year Per 100,000 People 1981 12.0853 1982 10.1424 1985 9.7386 1986 12.0128 1987 11.131 1988 10.2183 1989 9.5194 1990 10.627 1991 9.2838 1992 8.5963 1993 7.803 1994 7.5508 1995 6.7816 1996 7.7233 1997 8.3197 1998 10.3393