Year	% of male working-age population with basic education
1998	85.781
1999	82.179
2001	82.581
2002	85.617
2003	82.105
2004	85.112
2005	83.426
2006	82.678
2007	82.468
2008	81.818
2009	82.903
2010	80.479
2011	78.624
2012	80.102
2013	78.796
2014	78.332
2015	78.626
2016	81.308
2017	80.263