Year Per 100,000 People 1981 6.5257 1982 8.0259 1985 6.1559 1986 5.5974 1987 6.0526 1988 6.9388 1989 9.4853 1990 9.8136 1991 9.4404 1992 12.7596 1993 15.4591 1994 15.7716 1995 16.1517 1997 16.3185 1998 17.1637 1999 15.4322 2000 14.7502 2001 14.4605