Year	% (national estimate)
1992	77.76944956619243
1993	80.36741102700479
1995	75.59750711579437
1996	74.86462936621884
1997	75.26458959739395
1998	75.0266043913506
1999	74.1230780380693
2001	74.4646310975646
2002	73.66830596600732
2003	73.18120690551555
2004	74.06866561253624
2005	74.1596525524664
2006	75.21601480184123
2007	74.12755755309377
2008	74.81480241935438
2009	73.864616649565
2011	73.72508453686234
2012	73.61375835277121
2013	73.70271230999589
2014	73.24999457046108
2015	72.90520878388696
2016	71.90415421771995
2017	71.51131947370517
2018	71.26404903285005
2019	71.22642506211972
2020	65.45122156970426
2021	69.10414936419039
2022	71.13289977101788
2023	70.72387465352374