Year	% of total teachers
2013	78.3934326171875
2014	81.7686233520508
2015	83.4077682495117
2016	85.2681427001953
2017	86.0233612060547
2018	87.08154296875
2019	87.6918334960938
2020	88.8936996459961
2021	88.7500610351562
2022	92.7595672607422