Year	% (national estimate)
2006	13.4
2007	14.44
2008	15.894
2009	13.495
2010	11.512
2011	8.861
2012	9.395
2013	9.673
2014	10.642
2015	11.724
2016	14.179
2017	15.325
2018	15.844
2019	15.889
2020	14.875
2021	18.297
2022	19.138