Year % of people at risk 2005 20.7 2006 19.7 2008 15.3 2009 10.5 2010 14.1 2011 13.6 2012 13.5 2013 13.4 2014 11.9 2015 12 2016 6.8 2017 6.8 2018 6.7 2019 13.8 2020 11.9 2021 11.6 2022 11.5