Year	% (national estimate)
1998	71.672
1999	65.107
2001	67.049
2002	68.374
2003	65.205
2004	70.138
2005	66.749
2006	66.845
2007	67.11
2008	67.067
2009	68.452
2010	63.878
2011	61.949
2012	64.866
2013	63.476
2014	63.577
2015	60.59
2016	63.362
2017	62.949
2018	61.853
2019	62.413
2020	59.367
2021	61.077
2022	57.881
2023	60.525