Year	% of people at risk
2003	13.8
2004	13.2
2005	12.9
2006	6.3
2007	3.6
2008	3.5
2009	3.8
2010	3
2011	1.7
2012	2.2
2013	1.4
2014	1.3
2015	0.9
2016	0.8
2017	0.8
2018	0.5
2019	0.2
2020	0.4
2021	0.4
2022	0.3