Year	% (national estimate)
2007	27.513
2008	22.994
2009	25.491
2010	31.995
2011	31.397
2012	33.313
2013	32.451
2014	29.712
2015	31.528
2016	27.646
2017	25.005
2018	33.335
2019	32.524
2020	29.986
2021	26.444
2022	30.187