Year	% (national estimate)
2002	32.74
2003	33.22
2004	37.2
2005	37.52
2006	38.12
2007	37.64
2009	63.51
2010	62.41
2011	61.74
2012	62.2
2013	63.18
2014	63.8
2015	64.51
2016	65.17
2017	65.96
2019	58.93
2020	36.856