Year Per 100,000 People 1981 13.3948 1982 9.5376 1985 7.0809 1986 6.4728 1987 7.024 1988 6.0437 1989 7.1243 1990 14.7911 1991 16.6011 1992 21.1581 1993 32.9545 1994 35.1634 1995 26.0324 1996 30.7407 1997 24.8048 1998 28.7345 1999 29.2461 2000 18.7206 2001 19.5307 2002 20.5638 2003 14.7022 2004 17.0763 2005 17.2279 2006 15.2548 2007 12.8047 2008 11.2183 2009 10.6304 2010 7.968 2011 10.1964 2012 10.0729 2013 7.1065 2014 5.6497 2015 7.1765