Year	% of total working-age population with basic education
2000	28.318
2001	27.603
2002	27.357
2003	25.778
2004	26.406
2005	24.885
2006	24.521
2007	24.28
2008	25.343
2009	25.311
2010	25.06
2011	24.498
2012	24.321
2013	25.014
2014	26.208
2015	26.554
2016	25.162
2017	27.178
2018	27.23
2019	29.839
2020	28.881
2021	27.137
2022	28.691
2023	27.31