Year	% of male working-age population with basic education
1992	62.207
1993	60.74
1994	60.75
1995	59.211
1996	59.38
1997	59.104
1999	67.475
2000	63.776
2001	66.385
2002	56.154
2003	55.521
2004	55.979
2005	56.212
2006	56.179
2007	59.388
2008	56.953
2009	52.314
2010	50.138
2011	48.463
2012	47.318
2013	46.68
2014	44.887
2015	44.589
2016	44.334
2017	41.604
2018	40.465
2019	40.05
2020	37.912
2021	40.534
2022	38.33
2023	39.264