Year	% of total population ages 15+ (national estimate)
2007	51.7
2008	51.9
2009	51.1
2010	49.829
2011	48.741
2012	50.04
2013	50.105
2014	52.718
2015	53.727
2016	54.52
2017	54.668
2018	56.011
2019	57.417
2020	53.348
2021	50.956