Year	% (national estimate)
2003	38.678
2006	36.117
2007	36.1
2008	33.958
2009	31.727
2010	30.864
2011	33.914
2012	39.798
2013	33.469
2014	31.442
2015	29.733
2016	26.814
2017	27
2018	29.899
2019	32.039
2020	33.942
2021	29.772
2022	31.421