Year Deaths per 100,000 1990 0.78 1991 0.77 1992 0.75 1993 0.72 1994 0.69 1995 0.68 1996 0.66 1997 0.65 1998 0.63 1999 0.63 2000 0.61 2001 0.59 2002 0.57 2003 0.55 2004 0.52 2005 0.5 2006 0.49 2007 0.49 2008 0.49 2009 0.47 2010 0.46 2011 0.44 2012 0.43 2013 0.41 2014 0.4 2015 0.39 2016 0.39