Year	% of total teachers
2014	83.1008071899414
2015	83.8264312744141
2016	83.9243698120117
2017	84.8014678955078
2018	87.2108612060547
2019	87.0482177734375
2020	85.0991592407227
2021	86.7953414916992
2022	89.5493621826172