Year	% of people at risk
2003	96.2
2004	89.5
2005	82.3
2006	77.4
2007	68.1
2008	54.1
2009	46.2
2010	51.5
2011	72.6
2012	61.2
2013	60.1
2014	59.7
2015	51.3
2016	50.6
2017	49
2018	52.3
2019	43.6
2020	31.7
2021	24.6
2022	20.5