Year	% (national estimate)
1986	7.56
1997	5.34
2004	15.17
2007	34.14
2009	32.02
2011	30.35
2012	45.7
2013	29.1
2014	32.98
2015	38.89
2016	39.25
2017	41.9
2018	43.05
2019	39.68
2020	40.52
2021	40.62
2022	41.76