Year	% of people at risk
2003	98.2
2004	96.1
2005	90.2
2006	91
2007	94.5
2008	94.8
2009	94.7
2010	94.9
2011	97.6
2012	96.3
2013	94.8
2014	95.2
2015	93.2
2016	94.9
2017	87.2
2018	86.3