Year	% of people at risk
2003	43.3
2004	44.8
2005	38.7
2006	38.3
2007	27.9
2008	23.9
2009	22.2
2010	18.2
2011	17.7
2012	14.6
2013	15.9
2014	11.1
2015	10.6
2016	10.6
2017	6.8
2018	7.8
2019	5.6
2020	3.7
2021	3.7
2022	5.7