Year	% of male teachers
2009	53.669750213623
2010	48.6426086425781
2011	43.9962692260742
2012	44.8124618530273
2013	45.370548248291
2014	46.7149810791016
2015	55.9215507507324
2016	58.3995018005371
2017	63.8686485290527
2018	66.0779571533203
2019	60.2846183776855