Year	% of total teachers
2000	83.6792678833008
2001	83.5550689697266
2002	69.2552719116211
2003	70.7226181030273
2004	71.6522369384766
2005	71.9443969726562
2006	73.4970016479492
2007	74.5727233886719
2019	89.2933883666992
2020	91.1531600952148
2021	91.6528396606445
2022	92.1775131225586