Year Deaths per 100,000 2000 5 2001 5 2002 5.1 2003 5.1 2004 5.2 2005 5.2 2006 5.2 2007 5.2 2008 5.2 2009 5.2 2010 5.1 2011 5 2012 4.6 2013 4.2 2014 3.8 2015 3.6 2016 3.5 2017 3.3 2018 3 2019 2.8 2020 3.5