Year	% of people at risk
2003	22.1
2004	22.4
2005	22.3
2006	14.6
2007	12.7
2008	12.2
2009	12.9
2010	13.4
2011	12.9
2012	11.9
2013	11.5
2014	12.1
2015	12.6
2016	13.3
2017	13.6
2018	14.2
2019	14.2
2020	14.2
2021	14.6
2022	15.2