Year	% (national estimate)
1990	66.03423642573716
1994	65.57904072267085
1997	67.51747209012684
2008	70.59655675401284
2009	68.57605236451633
2010	67.70064758527867
2011	66.96627500608884
2012	66.80162430983458
2013	66.8142322192079
2014	67.51590583081914
2015	66.06467965973002
2016	66.49288366605909
2019	65.59120472161591