Year % of people at risk 2003 33.9 2004 25.3 2005 25.2 2006 15 2007 13.3 2008 15 2009 18.5 2010 15.1 2011 14.1 2012 13.6 2013 12.2 2014 11.7 2015 10.9 2016 11.3 2017 11.5 2018 8.9 2019 7.4 2020 7.9 2021 6.8 2022 11.8