Year	% (national estimate)
2007	23.9
2008	25.6
2010	16.334
2011	15.848
2012	14.057
2013	14.781
2014	21.545
2015	19.927
2016	22.555
2017	23.855
2018	25.58
2019	30.868
2020	24.192
2021	20.822