Year % of people at risk 2003 73.8 2004 70.6 2005 65.6 2006 59.7 2007 48.5 2008 45.1 2009 38 2010 32.7 2011 26.7 2012 23.3 2013 17.6 2014 14.4 2015 11.4 2016 10.4 2017 9.7 2018 8 2019 6.7 2020 6.2 2021 7.5 2022 3.7