Year	% of people ages 15 and above
1983	94.3016815185547
1984	95.0243835449219
1985	95.1876068115234
1986	95.3574981689453
1987	95.5245895385742
1988	95.7023010253906
1989	95.7953186035156
1990	95.9588928222656
1991	96.0864105224609
1992	96.200080871582
1993	96.3097381591797
1994	96.4158477783203
1995	96.5205764770508
1996	96.6783294677734
1997	96.7780685424805
1998	97.0632705688477
1999	97.1228179931641
2000	97.2870864868164
2001	97.3662796020508
2002	97.4397430419922
2003	97.5136871337891
2004	97.5674362182617
2005	97.6985015869141
2006	97.6657028198242
2007	97.7478790283203
2008	97.8479766845703
2009	98.2263412475586
2010	98.4977111816406
2011	98.7258071899414
2012	98.8413314819336
2013	98.8830490112305
2014	98.9101104736328
2015	98.932502746582
2016	99.0447692871094
2017	99.0466918945312
2018	99.2031478881836
2019	99.2212905883789
2020	99.2979202270508
2021	99.3285980224609
2022	99.3498229980469