Year	% of total working-age population with basic education
2000	42.647
2001	40.572
2002	40.902
2003	43.538
2004	40.603
2005	42.106
2006	49.137
2007	50.5
2008	51.933
2009	54.02
2010	59.368
2011	60.099
2012	61.927
2013	64.463
2014	67.654
2015	68.974
2016	68.016
2017	66
2018	64.924
2019	65.815
2020	67.369
2021	69.844
2022	68.792
2023	66.324
