Year	% of male working-age population with basic education
1991	79.525
1992	73.386
1993	70.873
1994	66.753
1995	66.966
1996	64.809
1997	65.66
1998	65.512
1999	65.005
2000	63.583
2001	61.828
2002	61.851
2003	62.125
2004	60.208
2005	58.699
2006	59.059
2007	60.559
2008	59.903
2009	59.649
2010	58.932
2011	61.36
2012	60.5
2013	61.692
2014	63.189
2015	63.03
2016	62.766
2017	62.948
2018	63.685
2019	63.589
2020	62.185
2021	61.045
2022	61.962
2023	63.375