Year	% (national estimate)
2003	42.859
2004	32.041
2010	31.128
2011	30.64
2012	37.167
2013	30.587
2014	30.124
2015	28.289
2016	31.027
2017	28.67
2018	31.026
2019	30.492
2021	34.503
2022	30.713