Year	% (national estimate)
1989	80.54625786584549
1997	77.24731182795699
1998	76.30789879490547
1999	80.58998947491521
2000	82.62464114472951
2001	81.66905509650275
2002	80.41265474552957
2003	82.8900201825466
2004	80.51996808860106
2005	80.73155216284988
2006	81.87378688283938
2007	81.01216796307654
2008	81.22296721495988
2009	83.95637372743259
2010	84.7290322580645
2011	83.55263157894737
2012	84.13170338272738
2013	82.56096800349279
2014	82.8270561106841
2015	83.90795740024352
2016	84.2849786447763
2017	84.09344217851009
2018	83.61215886398935
2019	84.41774764150942
2020	83.32945826551963
2021	84.27488095937923
2022	86.88621428044007
2023	85.4109779069258