Year	% of total teachers
1999	94.4442672729492
2000	87.1585922241211
2001	94.0918426513672
2002	84.1240386962891
2003	84.5605392456055
2004	78.53955078125
2005	100
2006	100
2007	100
2008	100
2009	100
2010	100
2011	100
2012	100
2013	100
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100