Year	% of male working-age population with basic education
1992	57.587
1993	59.134
1994	57.805
1995	55.513
1996	52.052
1997	51.739
1999	64.794
2000	64.509
2001	51.371
2002	50.859
2003	50.213
2004	49.271
2005	51.16
2006	51.899
2007	51.054
2008	51.028
2009	51.038
2010	52.09
2011	58.23
2012	57.482
2013	57.701
2014	50.278
2015	50.373
2016	50.703
2017	51.468
2018	52.402
2019	53.327
2020	52.904
2021	54.188
2022	56.475
2023	57.195