Year	% of people at risk
2003	97.4
2004	96.5
2005	97
2006	95.3
2007	95.6
2008	95.2
2009	95.8
2010	96.3
2011	97.3
2012	96.3
2013	95.8
2014	96.4
2015	96.3
2016	96.1