Year	% (national estimate)
1964	94.75015812776724
1971	108.75413450937155
1981	55.43154761904763
1985	81.24841732084072
1991	55.256529232400894
1994	69.08344733242134
1996	76.11261883751519
1998	67.83833783976092
2000	71.78349600709849
2001	71.08545034642032
2006	79.47160598022667
2009	80.12300087652493
2010	79.70752299110508
2013	82.296277011195
2019	84.32859354394819
2020	83.88194138386955
2021	85.44768626100927
2022	86.15634010931471
2023	86.2442906763668