Year	% of total teachers
2013	95.4965362548828
2014	96.0267333984375
2015	96.0352096557617
2016	96.0993576049805
2017	96.4401473999023
2018	96.6137008666992
2019	97.3607025146484
2020	97.3738403320312
2021	97.397216796875
2022	97.3335876464844