Year	% of people at risk
2003	72.6
2004	69.4
2005	66.4
2006	54.7
2007	49.7
2008	29.7
2009	20.6
2010	34.3
2011	31.3
2012	29.8
2013	33.6
2014	38.1
2015	41.2
2016	35.1
2017	36.6
2018	47.6
2019	50.5
2020	55
2021	54.4
2022	51.7