Year	% of total working-age population with basic education
2000	65.53
2001	71.763
2003	64.02
2004	66.251
2005	65.675
2006	67.2
2007	63.346
2008	63.252
2009	60.223
2010	58.986
2011	57.095
2012	57.638
2013	57.607
2014	57.762
2015	61.044
2016	63.111
2017	63.635
2018	62.074
2019	61.371
2021	60.721
2022	59.95
2023	59.329