Year	% of male working-age population with basic education
1992	80.251
1993	78.49
1994	77.838
1995	76.878
1996	76.213
1997	76.053
1999	76.524
2000	76.821
2001	75.473
2002	74.542
2003	75.328
2004	74.011
2005	83.971
2006	84.256
2007	84.126
2008	80.896
2009	79.146
2010	77.123
2011	78.537
2012	77.631
2013	76.944
2014	76.509
2015	76.648
2016	75.997
2017	75.032
2018	75.822
2019	74.958
2020	73.771
2021	71.183
2022	65.784
2023	64.296