Year	% (national estimate)
2002	45.66
2007	23.19
2008	28.671
2009	29.9
2010	27.179
2011	36.073
2012	26.999
2013	19.356
2014	20.331
2015	22.641
2016	25.787
2017	24.519
2018	27.489
2019	30.003