Year	% of total teachers
2014	84.1667709350586
2015	83.8214492797852
2016	82.5146484375
2017	83.455451965332
2018	84.7759017944336
2019	84.2139129638672
2020	84.7709503173828
2021	85.4558563232422
2022	84.9125213623047