Year	% of total working-age population with advanced education
1987	80.367
1988	78.1
1989	80.372
1990	80.177
1991	78.837
1992	77.42
1993	78.52
1994	78.555
1995	79.345
1996	79.439
1997	79.108
1998	81.962
1999	81.408
2000	81.625
2001	80.27
2002	80.358
2003	80.397
2004	80.774
2005	80.927
2006	81.31
2007	80.592
2008	79.997
2009	80.24
2010	79.428
2011	77.902
2012	77.217
2013	76.955
2014	74.918
2015	76.005
2016	75.885
2017	75.597
2018	75.779
2019	75.71
2020	74.391
2021	73.747
2022	74.636
2023	74.575