Year	% of people at risk
2005	43.2
2006	41.6
2007	39.9
2008	41.1
2009	39.4
2010	17.1
2011	18.2
2012	17.9
2013	17.4
2014	16.6
2015	14.7
2016	12.4
2017	10.4
2018	13.7
2019	13.9
2020	12.3
2021	12.8
2022	15.8