Year	% (national estimate)
2005	22.886
2006	22.143
2007	22.365
2008	22.027
2009	20.455
2010	22.019
2011	18.468
2012	21.925
2013	21.697
2014	18.351
2015	18.761
2016	20.181
2017	19.746
2019	22.707
2022	15.48
2023	14.308