Year	% (national estimate)
2008	40.48660032856906
2009	38.6398878067205
2010	39.73154375917627
2011	39.126217888042284
2012	39.322251658276826
2014	38.19030578793462
2015	39.091610283145776
2016	39.136947511856874
2017	38.127812861820495
2021	37.50319937490052