Year	% of total working-age population with basic education
1993	42.81067201860164
1994	42.16237402987262
1995	41.63801632383902
1996	41.421536015758946
1997	41.13924362726984
1998	44.08085661994308
1999	44.18658877680452
2000	43.36354468330864
2001	41.04717961421623
2002	40.95784311460567
2003	41.1730847041361
2004	40.57260257591899
2005	39.44749754870555
2006	40.41648760129601
2007	40.308160919316
2008	40.19087182071389
2009	40.01301882289707
2010	39.46414631272813
2011	40.32575035567847
2012	40.14611637226749
2013	39.68258337449108
2014	38.84029357622856
2015	38.61508868093933
2016	38.40551332890438
2017	38.626568156494166
2018	38.328743910032905
2019	38.230490106692265
2020	37.19950396696084
2021	37.67050754677421
2022	38.634940084226244
2023	37.86117181735428