Year Per 100,000 People 1985 19.2659 1986 18.8861 1987 20.3676 1988 20.0688 1989 18.2707 1990 19.8053 1991 19.2899 1992 20.563 1993 19.3673 1994 19.0698 1995 16.516 1996 19.1857 1997 17.5236 1998 19.3174 1999 18.5781 2000 18.0231 2001 15.6317 2002 15.1857 2003 14.9477 2004 14.6267 2005 14.7593 2006 13.5996 2007 12.8986 2008 13.0244 2009 12.9719 2010 12.6742 2011 11.4361 2012 13.0667 2013 12.1936 2014 12.2787 2015 12.1942 2016 11.4451