Year	% of male working-age population with advanced education
1987	82.222
1988	80.714
1989	81.528
1990	81.142
1991	80.594
1992	78.785
1993	79.657
1994	79.858
1995	80.071
1996	80.63
1997	79.974
1998	82.436
1999	82.528
2000	82.481
2001	81.267
2002	81.737
2003	81.454
2004	81.762
2005	81.532
2006	81.744
2007	80.971
2008	80.488
2009	80.087
2010	79.232
2011	77.591
2012	76.571
2013	76.878
2014	73.968
2015	75.375
2016	75.58
2017	76.027
2018	76.453
2019	76.782
2020	74.77
2021	74.093
2022	74.648
2023	74.153