Year	% of total working-age population with advanced education
1997	81.482
1998	81.767
1999	80.391
2000	82.042
2001	79.328
2002	80.507
2003	78.473
2004	79.541
2005	79.847
2006	82.173
2007	81.655
2008	80.372
2009	80.515
2010	79.761
2011	79.268
2012	80.596
2013	80.401
2014	79.864
2015	81.215
2016	81.154
2017	81.989
2018	81.647
2019	82.139
2020	81.853
2021	76.643
2022	77.46
2023	78.16