Year	% of people at risk
2003	19
2004	13.3
2005	11.7
2006	10.1
2007	9.6
2008	8.7
2009	12.7
2010	13.2
2011	8.1
2012	7.5
2013	7.7
2014	12.3
2015	9.1
2016	9.7
2017	8.9
2018	5.3
2019	4.8
2020	4.7
2021	5.2
2022	3.1