Year Per 100,000 People 1981 4.2682 1982 4.7265 1985 5.7619 1986 6.1683 1987 5.8391 1988 7.2853 1989 6.8516 1990 7.018 1991 6.5974 1992 5.328 1993 3.9677 1994 2.9817 1995 2.9599 1996 3.6025 1997 3.9335 1998 3.6643 1999 4.2218 2000 3.7146 2001 3.7389 2002 2.5816 2003 3.3073 2004 0.1398 2005 0.1035