Year	% of total labor force with intermediate education
2002	34.1
2009	22.995
2010	22.329
2011	17.941
2012	18.535
2013	17.85
2014	16.351
2015	15.598
2016	15.185
2017	13.49
2018	12.831
2019	11.798
2020	11.312