Year	% of total teachers
1999	80.4672088623047
2000	82.2499923706055
2001	84.2918701171875
2002	86.6588516235352
2003	87.7927627563477
2004	90.6987762451172
2005	92.8972778320312
2006	95.0265197753906
2007	94.3087463378906
2008	93.9836273193359
2009	93.3192596435547
2010	94.1655197143555
2011	94.5666275024414
2012	93.7765502929688
2013	95.0009689331055
2014	96.1339721679688
2015	96.5729293823242
2016	96.9231262207031
2017	97.2103118896484
2018	97.0005798339844
2019	96.2190017700195
2020	95.7438735961914
2021	95.09130859375
2022	93.3040771484375