Year	% of people at risk
2003	36.5
2004	32.3
2005	30.2
2006	33.8
2007	33.6
2008	29
2009	25.8
2010	21.8
2011	20.3
2012	17.4
2013	14.3
2014	11.1
2015	10.5
2016	10.1
2017	9.4
2018	8.8
2019	7.3
2020	8.1
2021	4.6
2022	4.4