Year	% (national estimate)
2003	29.94417454311954
2005	29.868927110609192
2006	29.721702809857707
2007	30.07264280858519
2008	31.35496117776183
2009	30.182578897029703
2010	30.577492101919308
2011	31.360041515475487
2012	30.28373477184084
2013	30.610566606293556
2014	30.61493248612306
2015	30.65147997954001
2016	30.655757664524906
2017	30.496270142224176
2018	30.42183412426835
2019	30.182825348060433
2020	27.96728545099825
2021	28.24390646659807
2022	28.71238549214972