Year Deaths per 100,000 1990 0.71 1991 0.69 1992 0.67 1993 0.65 1994 0.64 1995 0.63 1996 0.61 1997 0.59 1998 0.57 1999 0.55 2000 0.54 2001 0.52 2002 0.5 2003 0.48 2004 0.46 2005 0.45 2006 0.45 2007 0.43 2008 0.42 2009 0.41 2010 0.41 2011 0.4 2012 0.4 2013 0.39 2014 0.39 2015 0.39 2016 0.38