Year	% of people at risk
2003	24.7
2004	16
2005	18.7
2006	18.3
2007	17
2008	14.5
2009	15.7
2010	11.7
2011	13.8
2012	7.6
2013	7.5
2014	7.9
2015	7.8
2016	3
2017	2.7
2018	2
2019	1.7
2020	1.2
2021	1
2022	1.5