Year % of people at risk 2003 54.61964728710231 2004 53.33744798761961 2005 51.31372625996477 2006 49.2375982967348 2007 47.75995127660566 2008 45.979740892631725 2009 45.24303511868509 2010 42.96654003979312 2011 40.23388471630579 2012 38.74434671957005 2013 36.77930383366106 2014 35.138533798409014 2015 33.50097776907219 2016 32.18455167037276 2017 31.037314491546017 2018 29.51293440803548 2019 27.05783970669775 2020 28.535237518793625 2021 24.811365907834396 2022 25.392657852029345