Year	% of people at risk
2003	58.5
2004	69.3
2005	62.3
2006	52.9
2007	41
2008	38.8
2009	46.8
2010	46.4
2011	43.2
2012	49.2
2013	48.3
2014	45.4
2015	43.2
2016	42.3
2017	39.2
2018	34
2019	33.3
2020	30.5
2021	27.4
2022	32.6