Year % of people at risk 2003 76.12842665617299 2004 73.68283326132814 2005 71.98010344790129 2006 69.24234008770631 2007 66.87449654924532 2008 64.3064251712807 2009 61.12082779910152 2010 57.664161585275615 2011 53.666189617922214 2012 51.626424489230274 2013 52.23480840480786 2014 47.64355394990543 2015 45.59386034827341 2016 41.5175824043455 2017 36.032614862630645 2018 32.08517069385846 2019 31.28928034875487 2020 30.444594374585446 2021 28.98161758952679 2022 26.88443938684883