Year Per 100,000 People 1985 10.0264 1986 9.514 1987 10.7319 1988 11.1111 1989 10.1403 1990 10.2056 1991 9.9589 1992 9.0345 1993 9.6679 1994 9.0488 1995 7.617 1996 8.8969 1997 8.2638 1998 9.3167 1999 8.6381 2000 7.5952 2001 6.6964 2002 6.9123 2003 5.6069 2004 7.0747 2005 6.8461 2006 6.4955 2007 5.7182 2008 5.3161 2009 4.5436 2010 5.5886 2011 5.3271 2012 5.1717 2013 4.5791 2014 5.8951 2015 5.6997 2016 4.9598