Year	% of people at risk
2003	77.9
2004	78.2
2005	77.4
2006	75.8
2007	74.3
2008	76.4
2009	75.5
2010	74.3
2011	73.3
2012	71.8
2013	70.5
2014	71.2
2015	67.4
2016	67
2017	65.9
2018	64.5
2019	63.3
2020	63.2