Year	% of total teachers
1999	95.8633117675781
2000	100
2001	100
2002	100
2003	100
2004	85.5245666503906
2006	91.3775024414062
2007	96.1348724365234
2008	94.6688232421875
2009	97.0663299560547
2010	95.9899673461914
2018	36.4683303833008
2021	95.0924606323242
2022	95.7724533081055