Year % of people at risk 2003 66.5741438396016 2004 62.22945553472002 2006 66.00214773458202 2007 65.05620006650584 2008 63.91272207451554 2009 61.54876614709244 2010 58.737837446328165 2013 59.35967372606435 2014 55.8567864967242 2016 55.41007238626145 2017 56.5425874882649 2018 59.19620108489907