Year	% of people at risk
2005	25.5
2006	24.9
2007	24
2008	24.1
2009	23.5
2010	20.3
2011	19.7
2012	19.1
2013	18.2
2014	17.7
2015	17.3
2016	17.2
2017	13.3
2018	18.3
2019	18.6
2020	19.4
2021	20.2
2022	21.1