Year	% of people at risk
2004	52.1
2005	53.5
2006	52.8
2011	51.3
2012	51.7
2013	50.5
2014	50.8
2015	49.6
2016	47.8
2017	47
2018	45.3
2019	46.4
2020	49.5
2021	49.5
2022	48.8