Year	% (national estimate)
2002	38.466
2005	26.697
2007	17.406
2008	20.845
2009	21.54
2010	18.526
2011	29.051
2012	20.695
2013	14.117
2014	13.66
2015	13.399
2016	16.803
2017	17.706
2018	20.398
2019	22.247