Year	% of total working-age population with advanced education
1997	77.171
1998	76.239
1999	76.496
2000	76.634
2001	77.201
2002	77.791
2003	77.54
2004	78.36
2005	78.792
2006	77.241
2007	75.848
2008	75.443
2009	75.002
2010	74.916
2011	75.341
2012	75.084
2013	74.686
2014	72.751
2015	72.854
2016	73.608
2017	73.065
2018	73.227
2019	73.09
2020	71.791
2021	76.801
2022	77.762
2023	77.728