Year	% of people at risk
2003	16.4
2004	12.6
2005	13.3
2006	10.7
2007	9.2
2008	7.1
2009	5.7
2010	5.1
2011	3.9
2012	3.2
2013	3
2014	3.6
2015	3.5
2016	4.3
2017	2.9
2018	3.7
2019	4.8
2020	4.6
2021	5
2022	4.5