Year	% of male working-age population with basic education
1999	56.684
2000	57.991
2001	60.684
2002	60.208
2003	61.801
2004	62.644
2005	61.419
2006	59.035
2007	59.028
2008	57.465
2009	56.04
2010	54.892
2011	53.479
2012	50.27
2013	48.6
2014	49.413
2015	46.038
2016	46.751
2017	43.481
2018	44.332
2019	47.213
2020	47.648
2021	46.09
2022	45.055
2023	41.991