Year	% of people at risk
2003	17.8
2004	16.9
2005	14.6
2006	9.7
2007	8.7
2008	5.8
2009	7.1
2010	7.9
2011	6.9
2012	8.8
2013	7.9
2014	7.7
2015	9.1
2016	10.9
2017	10.2
2018	9.4
2019	7.1
2020	6.6
2022	5