Year	% of people at risk
2003	59.1
2004	32.7
2005	28.3
2006	26.1
2007	38
2008	31.3
2009	34.1
2010	90.2
2011	86.1
2012	87.9
2013	71.5
2014	87.5
2015	89.9
2016	91.4
2017	90.5