Year	% (national estimate)
2010	28.188
2011	28.067
2012	27.62
2013	26.815
2014	25.163
2015	26.667
2016	25.669
2017	26.863
2018	23.597
2019	24.083
2020	21.417
2021	19.404
2022	19.589
