Year % of people at risk 2003 71.27206292440528 2004 66.8258484051636 2006 65.74342206632123 2007 65.8018710670785 2008 65.20278246223594 2009 62.9770955572251 2010 60.52948581945721 2011 66.11810940352656 2013 57.17072430489056 2014 53.842420614450624 2015 52.618767552815115 2016 51.855388083462884 2017 52.591862313227615 2018 53.02828008066891