Year	% of male working-age population with basic education
1989	90.923
1990	90.343
1992	87.909
1995	85.228
1996	82.423
1997	83.373
1998	82.509
1999	82.781
2001	81.032
2002	81.002
2003	80.56
2004	80.733
2005	80.658
2006	80.097
2007	79.13
2008	78.783
2009	78.372
2011	76.085
2012	84.538
2013	84.284
2014	83.614
2015	78.451
2016	63.632
2017	63.267
2018	62.5
2019	61.954
2020	56.24
2021	58.136
2022	59.096
2023	57.48