Year % of people at risk 2003 25.9 2004 25.6 2005 25.4 2006 23.6 2007 21 2008 18.1 2009 17.4 2010 18.7 2011 14.9 2012 14.9 2013 13.3 2014 13.1 2015 11.8 2016 13.4 2017 13.3 2018 13.7 2019 13.2 2020 8.3 2021 13.1 2022 23.1