Year % of people at risk 2003 66.99978848982161 2004 65.43645715811152 2005 62.80929476984685 2006 60.06369259972427 2007 57.47879734912295 2008 55.761676105174 2009 53.41759228079907 2010 51.671637481936 2011 48.00164858191519 2012 45.971781219423676 2013 42.97464341598428 2014 40.66888334774077 2015 38.97449299125368 2016 36.66028051009275 2017 35.15743700325062 2018 32.72866091510021 2019 31.688287863066847 2020 31.880895584127543 2021 27.66015264349978 2022 26.587858663660754