Year Per 100,000 People 1980 7.1855 1981 7.5944 1982 7.2394 1983 6.7699 1984 6.424 1985 6.2011 1986 5.9464 1987 5.9407 1988 7.4847 1989 8.7447 1990 9.4913 1991 10.256 1992 10.0627 1993 10.7179 1994 10.1564 1995 9.907 1996 9.1302 1997 9.0771 1998 9.6343