Year	% (national estimate)
1992	78.41503484001949
1993	80.77170145161696
1995	75.9086139978144
1996	75.33479374640773
1997	75.69837839902608
1998	75.4680148257656
1999	74.65108947231425
2001	74.85729862414193
2002	74.38352209618928
2003	73.73171142594103
2004	74.64139064207738
2005	74.8940715287684
2006	75.90904218629956
2007	74.60828728886892
2008	75.36563077072047
2009	74.21471586122908
2011	74.18275234361342
2012	74.03737364587603
2013	73.83313247982035
2014	73.38365432880002
2015	73.27853240924283
2016	72.0806629500462
2017	71.36406990349427
2018	71.36674350311237
2019	71.3777408512707
2020	65.5958893727573
2021	69.42125035013446
2022	71.41852331248771
2023	70.98044491666289