Year	% of total teachers
1998	93.705940246582
1999	100
2000	94.8259201049805
2001	91.584602355957
2005	93.8182983398438
2006	92.0068511962891
2008	91.4671936035156
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100