Year % of people at risk 2003 62.961476509233826 2004 60.348281068788566 2005 57.48519288218913 2006 52.417800745489934 2007 43.48881260805713 2008 40.47356969073735 2009 34.78181818479255 2010 31.87018165059578 2011 27.28110841644679 2012 24.15572199979667 2013 19.34517099785935 2014 16.114230860089396 2015 13.396870709521139 2016 11.91556745537406 2017 10.98020675479346 2018 9.327070987883598 2019 7.854269489585889 2020 7.555535343599298 2021 8.094514728564494 2022 6.601192758491777