Year	% of male working-age population with basic education
1992	64.134
1993	57.609
1994	60.554
1995	59.965
1996	57.181
1997	56.478
1999	51.962
2000	57.723
2001	54.478
2002	54.076
2003	52.667
2004	51.976
2005	51.795
2006	45.644
2007	48.165
2008	49.345
2009	48.594
2010	45.528
2011	47.787
2012	47.221
2013	47.053
2014	44.868
2015	52.22
2016	49.322
2017	43.873
2018	46.24
2019	47.544
2020	47.574
2021	48.153
2022	46.724
2023	47.76