Year	% of total working-age population with basic education
1998	48.482
2000	48.218
2003	48.462
2006	47.885
2009	45.344
2010	50.066
2011	51.083
2012	50.483
2013	50.026
2014	50.565
2015	50.33
2016	49.661
2017	49.822
2018	49.433
2019	48.894
2020	41.974
2021	42.533
2022	44.493
2023	44.802