Year	% (national estimate)
1983	48.88759243693289
1984	49.21697244824536
1986	48.725712362581284
1987	48.871645462617685
1988	49.21948952196059
1989	49.63584232426614
1990	51.28047442664629
1991	51.43329719560751
1992	51.831977453713414
1993	50.79473456696531
1994	50.203090096700535
1995	50.870898644564164
1996	50.03122381243201
1997	50.043609284176746
1998	50.45292938726857
1999	50.91038792134233
2000	50.972306806216594
2001	51.2454261998238
2002	51.02757671662444
2003	51.08003700199959
2004	50.93107252340689
2005	51.316510198972004
2006	52.14113791553314
2007	52.961374999610904
2008	53.37260688913368
2009	52.274309934840275
2010	51.97046353455435
2011	51.96380304674059
2012	51.671094497949426
2013	51.418316230235774
2014	51.76286545805163
2015	52.20259882357129
2016	52.91432337157753
2017	53.67531977814742
2018	54.25420032430565
2019	54.73566635099748
2020	53.71925393394237
2021	54.09697358347118
2022	55.16187185413471
2023	54.467711365908336