Year % of people at risk 2005 10.1 2006 6.2 2007 7.3 2008 4.7 2009 8.3 2012 7.9 2013 7.7 2014 8.5 2015 8.6 2016 7 2017 4.7 2018 3.6 2019 3.1 2020 3.4 2021 3.5 2022 3.1