Year % of people at risk 2007 21.5 2008 14.6 2009 16.1 2010 24.7 2011 25.5 2012 20.7 2013 22.2 2014 16.1 2015 15.8 2016 13.6 2017 13.1 2018 12.1 2019 9.2 2020 6.4 2021 10.7 2022 10.4