Year % of people at risk 2003 3.4797760193452585 2004 3.012246721029678 2005 2.503316751561391 2006 1.9254100370550224 2007 1.5599705252167984 2008 1.3862758603753216 2009 1.5468253129225817 2010 1.3952233036452568 2011 1.4033999939657293 2012 1.4131522413813973 2013 1.3619103501399097 2014 1.439156183378551 2015 1.6614825984630273 2016 1.4653662544273955 2017 1.325711929648111 2018 1.1859619703811106 2019 1.04139565298274 2020 0.8369734848691371 2021 0.7419240126407138 2022 0.8569342740482119