Year	% of people ages 15 and above
1982	97.9756164550781
1983	97.9990005493164
1984	98.035026550293
1985	98.064338684082
1986	98.0940093994141
1987	98.1299819946289
1988	98.212890625
1989	98.2774124145508
1990	98.3453826904297
1991	98.4063491821289
1992	98.4626998901367
1993	98.5139465332031
1994	98.5642929077148
1995	98.6120681762695
2013	99.298469543457
2014	99.3157272338867
2015	99.3327713012695
2016	99.3535003662109
2017	99.3704299926758
2018	99.3872375488281
2019	99.4021224975586
2020	99.4171829223633
2021	99.4252624511719
2022	99.4275207519531