Year Per 100,000 People 1981 0.4463 1982 1.3526 1985 0.4423 1986 0.5516 1987 0.31 1988 0.4414 1989 0.3857 1990 0.4573 1991 0.368 1992 0.372 1993 0.2962 1994 0.2537 1995 0.2928 1996 0.5338 1997 0.3633 1998 0.3167 1999 0.226 2000 0.2254 2001 0.426 2002 0.4268 2003 0.2655 2004 0.3272 2005 0.2903