Year % of people at risk 2003 45.2 2004 46 2005 44.4 2006 44.2 2007 46 2008 48.8 2009 49.3 2010 49.3 2011 47.1 2012 49.4 2013 41 2014 35.3 2015 30.5 2016 30.5 2017 30.2 2019 27.1 2020 26.1 2021 25.6 2022 29.2