Year	% (national estimate)
1994	72.55
1996	70.05
1997	72.64
1998	70.26
1999	72.53
2005	73.8
2012	74.35
2013	74.274
2014	75.967
2015	74.95
2016	76.008
2017	75.834
2019	77.585
2021	70.435