Year	% (national estimate)
1991	69.49149105627676
1992	69.94873748594995
1993	70.18653827022337
1994	71.04862826004118
1995	72.41312422984375
1996	71.95136130202667
1997	72.91385335427367
1998	73.68171544494855
1999	73.94084120903834
2000	73.92273791459971
2001	74.7690256069275
2002	75.30331672059549
2003	75.79505729183985
2004	75.97878166314379
2005	76.48907540016944
2006	76.81906575638472
2007	77.1356377089873
2008	77.53689852586643
2009	78.23676297990968
2010	78.19182739014806
2011	78.81316403831583
2012	79.04449192127268
2013	79.3197078703106
2014	79.90421260005526
2015	80.29570304619732
2016	80.4609383243801
2017	80.88487591508772
2018	81.19553618071834
2019	81.54868888008681
2020	81.52274205666819
2021	81.94881601089642
2022	82.6662568139031
2023	82.93296016164025