Year % of people at risk 2003 66.4 2004 72.2 2005 76.1 2006 77.3 2007 75.7 2008 73.5 2009 72.9 2010 71.7 2011 77.4 2012 74.4 2013 76.7 2014 78.6 2015 89.5 2016 90.6 2017 91.1 2018 91.6 2019 92.2 2020 92.6 2021 93 2022 93.4