Year	% of total teachers
2014	85.1615829467773
2015	84.7640991210938
2016	83.462890625
2017	84.6529769897461
2018	86.2941207885742
2019	85.7051010131836
2020	86.6143417358398
2021	87.2894287109375
2022	86.979621887207