Year	% of people at risk
2003	50.3
2004	49.2
2005	33.3
2006	30.8
2007	37.5
2008	34.5
2009	38
2010	41.1
2011	43.9
2012	45.6
2013	47.6
2014	42.2
2015	41.9
2016	41.1
2017	38.2
2018	35
2019	34.9
2020	28.6
2021	28.5
2022	28.4