Year	% of people at risk
2003	38
2004	50.3
2005	52.1
2006	50
2007	46.2
2008	41.7
2009	39.1
2010	34
2011	36.8
2012	38.2
2013	37.5
2014	33.7
2015	28.1
2016	26.3
2017	22.3
2018	16.4
2019	16.7
2020	18.4
2021	14.8
2022	14.3