Year % of people at risk 2003 29.9 2004 34.9 2005 34.6 2006 32.4 2007 27.8 2008 19.2 2009 18.1 2010 17.3 2011 16.2 2012 15 2013 13.6 2014 13.4 2015 6.3 2016 5.9 2017 5.5 2018 15.2 2019 14.5 2020 14.7 2021 21.3 2022 20.9