Year % of people at risk 2003 61.963980652611724 2004 59.83525974033551 2005 57.95928269477563 2006 54.10728242716966 2007 49.85797792123829 2008 47.00363778622784 2009 43.89075952159266 2010 41.34822079284499 2011 38.22461177705806 2012 36.19913645715915 2013 34.4430094398813 2014 31.271867342041 2015 29.266204287022422 2016 27.776029796708855 2017 25.224551771683732 2018 23.149711255012335 2019 21.24435832659968 2020 21.509596919883325 2021 19.918668223004982 2022 20.622511999435947