Year Per 100,000 People 1981 10.6935 1982 9.8502 1985 10.2487 1986 8.8183 1987 8.5997 1988 8.828 1989 9.5983 1990 9.6015 1991 8.3506 1992 9.3674 1993 9.8067 1994 9.3668 1995 9.7269 1996 9.8501 1997 9.621 1998 9.5667 1999 8.6906 2000 9.5694 2001 8.5005 2002 8.5857 2003 8.6665 2013 7.6513 2014 6.3508 2015 5.9546