Year	% (national estimate)
2008	66.90015688582841
2009	65.11943781586513
2010	65.47716070720894
2012	65.20310950731263
2014	64.45436826933248
2015	64.90882556572456
2016	63.844154902326025
2017	65.53297049078029
2021	65.91414658948602