Year	% of total working-age population with basic education
2002	57.628
2003	57.84
2004	58.417
2005	58.047
2006	58.725
2007	58.633
2008	58.505
2009	58.171
2010	57.94
2011	58.059
2012	58.589
2013	58.401
2014	57.749
2015	57.923
2016	57.361
2017	57.034
2018	57
2019	57.638
2020	52.415
2021	55.899
2022	56.338
2023	56.785