Year	% of people at risk
2003	65.7
2004	58.2
2005	45.6
2006	33
2007	27.4
2008	33
2009	36.2
2010	38.6
2011	36.8
2012	31.5
2013	34.5
2014	34.1
2015	38.6
2016	38.9
2017	34.9
2018	33.1
2019	22.9
2020	19.6
2021	21.6
2022	19