Year	% of male working-age population with intermediate education
1987	70.783
1988	72.221
1989	71.627
1990	71.506
1991	70.995
1992	70.864
1993	70.763
1994	72.764
1995	72.179
1996	72.254
1997	71.976
1998	74.367
1999	73.937
2000	73.814
2001	72.726
2002	72.331
2003	72.289
2004	72.906
2005	73.051
2006	73.309
2007	72.949
2008	72.711
2009	72.585
2010	72.865
2011	71.795
2012	70.689
2013	70.287
2014	69.675
2015	68.405
2016	68.46
2017	68.89
2018	69.067
2019	68.381
2020	66.843
2021	67.457
2022	69.685
2023	69.565