Year	% of people at risk
2007	61.2
2008	59.6
2009	59.3
2010	59.7
2011	52.3
2012	45.9
2013	39.5
2014	35.1
2015	32.2
2016	32.5
2017	31.9
2018	27.7
2019	25.9
2020	24.9
2021	29.3
2022	26.6