Year	% of total working-age population with basic education
2001	57.306
2006	63.022
2007	28.291
2008	30.558
2009	29.85
2010	29.282
2011	27.497
2012	27.825
2013	27.219
2014	25.339
2015	25.375
2016	24.344
2017	23.872
2018	21.145
2019	22.011
2020	22.436
2021	24.518
2022	24.718
2023	25.439