Year	% (national estimate)
1989	94.18423106947697
1993	59.476626016260155
1996	84.19834072930735
1997	89.05720550129558
1998	88.3363291392051
1999	78.33356173770042
2000	87.9081015719468
2001	87.71712158808934
2002	87.53180661577609
2003	87.35332464146023
2004	87.78523489932887
2005	87.68809849521205
2006	86.76470588235294
2007	86.18614415675296
2008	87.59656652360513
2009	90.15029913906318
2010	91.34601208904614
2011	91.11111111111111
2012	90.56047197640117
2013	90.29411764705883
2014	90.77598828696925
2015	91.0948905109489
2016	90.35971223021583
2017	90.24390243902438
2018	90.53084648493544
2019	90.81779053084648
2020	91.69054441260745
2021	91.58345221112697
2022	88.9367816091954