Year	% of male working-age population with intermediate education
1998	91.192
1999	87.236
2001	84.359
2002	87.605
2003	87.968
2004	87.613
2005	86.217
2006	85.32
2007	85.822
2008	90.391
2009	89.464
2010	87.638
2011	87.643
2012	88.528
2013	86.861
2014	88.668
2015	87.088
2016	88.967
2017	88.843