Year % of people at risk 2003 4.7 2004 4.1 2005 2.4 2006 1.8 2007 2.7 2008 2.2 2009 2.5 2010 2.4 2011 2 2012 3.2 2013 7 2014 9 2015 17.1 2016 16.3 2017 31.6 2018 58.9 2019 42.6 2020 75.2