Year	% (national estimate)
2008	26.603
2009	26.587
2010	26.292
2011	23.667
2012	22.011
2013	22.708
2014	22.896
2015	21.924
2016	21.673
2017	20.384
2018	18.39
2019	18.41
2020	18.801
2021	19.863
2022	18.324