Year % of people at risk 2003 96.5 2004 96.2 2005 96.2 2007 95.2 2008 95.1 2009 94.1 2010 97 2011 97 2012 96.5 2013 96.2 2015 95.2 2016 94.4 2017 94.5 2018 93.3 2019 91.3 2020 90.6 2021 88.6 2022 86.6