Year % of people at risk 2003 24.2 2004 20.2 2005 22.1 2006 25.6 2007 31.2 2008 22.9 2009 23.7 2010 29.7 2012 38.3 2013 44.9 2014 54.9 2015 41.2 2016 61.4 2017 53.9 2018 44.3 2019 41.2 2020 39.9 2021 51.9 2022 51.6