Year Deaths per 100,000 1990 0.9 1991 0.85 1992 0.8 1993 0.74 1994 0.7 1995 0.66 1996 0.62 1997 0.58 1998 0.55 1999 0.52 2000 0.51 2001 0.45 2002 0.42 2003 0.39 2004 0.4 2005 0.4 2006 0.43 2007 0.45 2008 0.47 2009 0.46 2010 0.45 2011 0.4 2012 0.38 2013 0.36 2014 0.35 2015 0.35 2016 0.32