Year	% (national estimate)
1985	43.67
1986	44.83
1987	45.65
1988	46.41
1989	46.51
1990	46.94
1991	48.78
1992	49.78
1993	50.3
1995	51.68
1996	51.65
1997	52.83
1998	53.4
2015	77.28
2016	76.44
2018	62.84
2019	63.69
2020	62.55
2021	64.49
2022	65.51