Year % of people at risk 2003 98.5 2004 97 2005 96.1 2006 95.5 2007 93.7 2008 93 2009 92.6 2010 92.2 2011 90.6 2012 89.3 2013 87.9 2014 87 2015 85.2 2016 84.3 2017 82 2018 77.9 2019 75.9 2020 75 2021 71.2 2022 67.3