Year	% of male working-age population with basic education
1996	56.601
1997	58.221
1998	59.415
1999	57.917
2000	58.383
2001	56.669
2002	58.502
2003	53.888
2004	50.879
2005	49.292
2006	60.982
2007	61.923
2008	62.361
2009	61.851
2010	59.491
2011	59.503
2012	60.621
2013	56.705
2014	53.524
2015	54.703
2016	56.067
2017	54.701
2018	53.604
2019	55.586
2020	54.124
2021	60.463
2022	54.866
2023	54.651