Year	% of male working-age population with basic education
1992	69.185
1993	67.529
1994	66.91
1995	66.403
1996	65.868
1997	65.822
1998	69.713
1999	68.562
2000	68.556
2001	69.25
2002	69.721
2003	68.983
2004	68.193
2005	67.487
2006	71.113
2007	71
2008	70.105
2009	68
2010	67.132
2011	66.059
2012	64.523
2013	62.515
2014	60.362
2015	59.21
2016	58.087
2017	58.464
2018	57.184
2019	56.199
2020	54.095
2021	50.865
2022	52.122
2023	51.806