Year	% (national estimate)
1984	97
1985	96.88
1986	95.44
1989	96.19
1991	98.38
1996	95.85
2000	84.4
2003	83.74
2006	83.894
2010	79.205
2013	79.197
2016	79.4
2017	78
2022	76.13