Year	% of total working-age population with advanced education
1997	88.553
1999	85.969
2000	82.849
2001	86.12
2002	84.378
2003	82.372
2004	84.22
2005	81.118
2006	83.894
2007	87.739
2008	86.521
2009	86.793
2010	86.896
2011	87.142
2012	87.816
2013	87.041
2014	86.93
2015	85.864
2016	86.634
2017	86.008
2018	87.189
2019	85.821
2020	78.344
2021	82.553
2022	84.306
2023	84.398