Year	% of male working-age population with intermediate education
1997	80.956
1998	82.046
1999	79.379
2000	79.934
2001	78.509
2002	76.473
2003	78.302
2004	76.965
2005	76.03
2006	78.9
2007	79.63
2008	80.669
2009	78.93
2010	77.574
2011	77.988
2012	78.292
2013	77.394
2014	79.073
2015	80.166
2016	81.044
2017	80.739
2018	81.479
2019	80.989
2020	80.708
2021	74.638
2022	77.235
2023	77.35