Year	% of total working-age population with advanced education
1998	89.796
1999	90.209
2001	91.743
2002	84.606
2003	87.296
2004	87.873
2005	89.064
2006	87.673
2007	87.534
2008	89.793
2009	85.946
2010	85.853
2011	88.013
2012	87.72
2013	88.704
2014	85.088
2015	86.945
2016	85.961
2017	86.777