Year	% of people at risk
2003	48.6
2004	47.9
2005	47
2006	44.7
2007	41.9
2008	37.5
2009	35
2010	30.9
2011	26.7
2012	24.4
2013	21.7
2014	16.9
2015	20
2016	17.9
2017	16.9
2018	16.2
2019	17.1
2020	22.8
2021	19.1
2022	18.2