Year	% (national estimate)
2005	10.482
2006	11.28
2007	11.381
2008	11.909
2009	10.667
2010	10.139
2011	10.778
2012	12.648
2013	13.324
2014	11.321
2015	14.249
2016	11.776
2017	11.998
2018	12.766
2019	15.777
2020	14.291
2021	12.42
2022	12.664
