Year	% (national estimate)
1998	49.42
2000	46.9
2003	34.757
2004	46.59
2005	43.56
2006	32.669
2007	32.7
2008	29.093
2009	28.822
2010	27.177
2011	27.327
2012	33.365
2013	26.994
2014	25.314
2015	24.581
2016	21.943
2017	21.713
2018	22.138
2019	28.08
2020	26.694
2021	21.558
2022	25.543