Year % of people at risk 2003 68.3 2004 62.6 2005 63.7 2006 63 2007 54 2008 61.1 2009 59.8 2010 59.9 2011 62.3 2012 59.4 2013 59.5 2014 55.9 2015 62.7 2016 56.9 2017 50.3 2018 60.1 2019 58.6 2020 58.7 2021 58.4 2022 56.2