Year	% (national estimate)
2003	60.156
2004	52.09
2010	48.284
2011	49.248
2012	55.176
2013	47.041
2014	48.591
2015	49.264
2016	49.526
2017	49.837
2018	49.917
2019	49.063
2021	52.882
2022	48.21