Year	% of total working-age population with advanced education
1997	79.865
1998	80.988
1999	79.792
2000	78.908
2001	77.755
2002	76.903
2003	75.714
2004	80.138
2005	79.581
2006	82.343
2007	81.641
2008	81.253
2009	81.282
2010	80.715
2011	80.547
2012	80.32
2013	80.498
2014	80.341
2015	81.953
2016	81.669
2017	82.739
2018	82.622
2019	82.559
2020	82.15
2021	81.842
2022	82.945
2023	82.135