Year	% of total working-age population with basic education
2008	60.357
2009	58.535
2010	56.405
2011	54.907
2012	54.947
2013	55.319
2014	56.282
2016	56.974
2017	57.193
2018	56.517
2019	57.312
2020	58.27
2021	54.887
2022	55.331