Year Deaths per 100,000 2000 1.1 2001 0.22 2002 0 2003 0 2004 0.2 2005 0.08 2006 0 2007 0.18 2008 0.18 2009 0.34 2010 0.67 2011 0.33 2012 0.96 2013 0.93 2014 0 2015 1.1 2016 0.45 2017 0.6 2018 0.44 2019 0.49 2020 0.41