Year % of people at risk 2003 35.9 2004 36.2 2005 33.7 2006 33.1 2007 27 2008 28.8 2009 29.9 2010 29.2 2011 29.6 2012 28.9 2013 24.1 2014 25.4 2015 27 2016 26.6 2017 27.5 2018 29.3 2019 30.7 2020 33.3 2021 32.2 2022 29.8