Year	% (national estimate)
2003	34.939
2006	32.185
2007	32.2
2008	30.305
2009	28.711
2010	27.11
2011	29.177
2012	35.158
2013	28.351
2014	26.832
2015	25.491
2016	22.109
2017	22.098
2018	24.035
2019	27.083
2020	27.98
2021	23.367
2022	26.861