Year	% (national estimate)
1993	47.8
2000	65.8
2003	44.94
2004	46.3
2005	46.9
2006	48.2
2007	48.3
2008	44.68
2009	48.08
2011	49.31
2012	50.88
2013	48.24
2017	50.265
2018	50.323
2019	53.205
2020	35.862
2021	46.705
2022	51.478
