Year	% (national estimate)
2006	29.864648521711576
2007	29.49700992964325
2008	29.169925798631606
2009	29.673971136733094
2010	29.29888826629317
2011	29.660929482745853
2012	29.34916177702645
2013	29.59467648839172
2014	27.87393935280411
2015	31.736229690389234
2016	32.55292912618271
2017	32.43351767501707
2021	30.39210495559761
2022	32.32198232596724