Year	% of people at risk
2003	18.9
2004	13.5
2005	18.6
2006	6.3
2007	4.7
2008	3
2009	2.9
2010	2.2
2011	1.6
2012	1.3
2013	0.7
2014	0.7
2015	0.7
2016	0.8
2017	0.8
2018	0.8
2019	0.7
2020	0.7
2021	0.5
2022	0.7