Year % of people at risk 2003 0.50434799033171 2004 0.4067605414800026 2005 0.36384816854867164 2006 0.2575739788085101 2007 0.21884438151177224 2008 0.25059532703142334 2009 0.27526300207736415 2010 0.26876264503126485 2011 0.28131339038120917 2012 0.30139102395367784 2013 0.2934596428201962 2014 0.2913025733621681 2015 0.26277128237201935 2016 0.23516845819014837 2017 0.20014219724105137 2018 0.16323155756706476 2019 0.1502696944927867 2020 0.1756081949270015 2021 0.162483288731507 2022 0.21999956998322295