Year % of people at risk 2003 63.88950513995912 2004 61.560643786607024 2005 58.57853351761153 2006 54.79848027205132 2007 49.36973272073214 2008 48.24950058379934 2009 44.7942743533401 2010 41.70150026680508 2011 36.85344762332621 2012 34.01634545624033 2013 29.437616820357533 2014 26.72633095491137 2015 23.653625926423498 2016 21.466137636247677 2017 19.956365246748522 2018 17.61330829190297 2019 15.679681342586123 2020 16.096732166134434 2021 11.123741979498961 2022 10.641506721517425