Year	% of male working-age population with basic education
1990	69.928
1991	67.553
1992	65.341
1993	63.841
1994	64.523
1995	62.605
1996	61.826
1997	61.102
1998	59.905
1999	60.893
2000	60.497
2001	59.491
2002	60.867
2003	61.054
2004	59.905
2005	59.197
2006	58.869
2007	58.953
2008	59.408
2009	56.991
2010	55.254
2011	55.354
2012	55.018
2013	54.431
2014	53.178
2015	52.381
2016	51.788
2017	51.953
2018	51.111
2019	51.106
2020	48.53
2021	48.649
2022	48.507
2023	49.003