Year	% of total working-age population with advanced education
1989	91.306
1990	90.029
1992	86.302
1995	86.692
1996	85.798
1997	86.3
1998	85.755
1999	84.846
2001	84.232
2002	84.841
2003	84.231
2004	83.89
2005	84.536
2006	84.296
2007	84.361
2008	83.957
2009	84.326
2011	82.963
2012	81.678
2013	81.479
2014	82.883
2015	82.968
2016	83.196
2017	83.177
2018	82.896
2019	83.147
2020	79.4
2021	80.528
2022	81.872
2023	81.665