Year	% of people at risk
2003	27.8
2004	27.6
2005	27.3
2006	30
2007	28.1
2008	23
2009	29.1
2010	25.4
2011	29.2
2012	33.9
2013	28.4
2014	30.8
2015	31.3
2016	23.3
2017	23.9
2018	23.3
2019	32
2020	33.1
2021	30.6
2022	29.5