Year Deaths per 100,000 1990 0.62 1991 0.6 1992 0.58 1993 0.57 1994 0.57 1995 0.56 1996 0.55 1997 0.5 1998 0.49 1999 0.47 2000 0.47 2001 0.47 2002 0.48 2003 0.46 2004 0.44 2005 0.42 2006 0.42 2007 0.41 2008 0.42 2009 0.4 2010 0.37 2011 0.36 2012 0.36 2013 0.35 2014 0.34 2015 0.34 2016 0.33