Year	% of total working-age population with basic education
2000	43.197
2001	41.99
2002	39.768
2003	38.671
2004	36.49
2005	38.229
2006	37.506
2007	37.221
2008	51.715
2009	50.195
2010	46.254
2011	48.194
2013	48.145
2014	48.176
2015	50.149
2016	50.85
2017	51.267
2018	50.77
2019	50.859
2020	47.437
2021	48.257
2022	49.366
2023	50.419