Year Deaths per 100,000 1990 1.03 1991 0.94 1992 0.89 1993 0.85 1994 0.79 1995 0.73 1996 0.68 1997 0.63 1998 0.58 1999 0.54 2000 0.5 2001 0.46 2002 0.43 2003 0.4 2004 0.39 2005 0.37 2006 0.36 2007 0.34 2008 0.33 2009 0.31 2010 0.3 2011 0.3 2012 0.29 2013 0.29 2014 0.29 2015 0.29 2016 0.29