Year	% of male working-age population with basic education
1987	69.576
1988	68.759
1989	67.304
1990	66.14
1991	63.961
1992	63.703
1993	62.112
1994	61.61
1995	60.458
1996	60.474
1997	58.597
1998	59.841
1999	58.224
2000	57.426
2001	56.956
2002	56.207
2003	55.938
2004	53.635
2005	53.444
2006	52.366
2007	51.969
2008	52.22
2009	52.201
2010	50.568
2011	47.803
2012	46.149
2013	44.87
2014	43.847
2015	44.915
2016	43.893
2017	42.69
2018	41.386
2019	38.509
2020	36.264
2021	37.368
2022	38.25
2023	37.324