Year	% of people at risk
2004	45.8
2005	45.3
2006	50.5
2007	50
2008	48.7
2009	38.5
2010	45.5
2011	45.5
2012	44.6
2013	44.4
2014	34.5
2015	33.4
2016	31.8
2017	38.9
2018	40
2019	40.9
2020	40.6
2021	39.5
2022	38.3