Year Deaths per 100,000 1990 0.44 1991 0.43 1992 0.42 1993 0.41 1994 0.4 1995 0.39 1996 0.39 1997 0.38 1998 0.38 1999 0.38 2000 0.37 2001 0.38 2002 0.37 2003 0.35 2004 0.36 2005 0.37 2006 0.35 2007 0.34 2008 0.33 2009 0.33 2010 0.32 2011 0.32 2012 0.32 2013 0.31 2014 0.31 2015 0.31 2016 0.3