Year Per 100,000 People 1981 4.0168 1982 9.3264 1985 6.8655 1986 6.3851 1987 6.0716 1988 5.5794 1989 5.6945 1990 4.4994 1991 4.8403 1992 5.293 1993 3.3989 1994 3.7399 1995 4.2069 1996 3.1426 1997 2.9705 1998 3.6715 1999 4.802 2000 4.9351 2001 3.8983 2002 2.8247 2003 3.6564 2004 4.1723