Year Per 100,000 People 1981 14.2321 1982 12.5049 1985 9.4057 1986 3.2226 1987 7.4388 1988 7.4025 1989 14.294 1990 24.7887 1991 19.4231 1992 26.2101 1993 28.5084 1994 35.6071 1995 30.2644 1996 25.1667 1997 20.5259 1998 15.0386 1999 16.3249 2000 13.427 2001 13.3293 2002 9.5122 2003 12.0724 2004 10.9831 2005 14.5089 2006 8.9422 2007 12.4761 2008 10.8634 2009 11.7469 2010 10.6759 2011 9.7361 2012 7.8824 2013 6.9097 2014 6.1196 2015 6.0724