Year	% (national estimate)
1983	50.16242388445375
1984	51.71165312122692
1985	51.51895412543022
1986	51.11784158993555
1987	51.18870634054698
1988	51.51363826516231
1989	52.00741594301376
1990	52.35043681430119
1991	52.674686314047584
1992	51.04817089293259
1993	49.96269431383655
1994	49.71269603665422
1995	49.35863419101797
1996	49.01320482896411
1997	49.191678026005526
1998	49.25556664049404
1999	49.31436068995246
2000	49.464184334885964
2001	48.73407875512292
2002	47.390517345013514
2003	46.4708579230438
2004	46.306626930131415
2005	46.270653437702144
2006	46.761656205673965
2007	46.71706405485201
2008	45.94991303066704
2009	42.56035536824602
2010	42.049405947553545
2011	42.47396696304868
2012	42.40118909812425
2013	42.50675419116143
2014	43.09400000052337
2015	43.61535037916347
2016	43.973151545003084
2017	44.478787636626414
2018	44.90983107603828
2019	44.96572139699846
2020	41.40352574248164
2021	44.13442866490882
2022	45.608467533052114
2023	46.12031522032275