Year	% of total working-age population with advanced education
1998	71.348
1999	70.053
2000	74.191
2001	73.45
2002	72.805
2003	69.81
2004	72.359
2005	72.605
2006	71.624
2007	68.832
2008	67.392
2009	68.406
2010	66.683
2011	67.979
2012	69.842
2013	71.445
2014	75.774
2015	75.625
2016	75.68
2017	76.208
2018	76.963
2019	76.243
2020	75.505
2021	76.013
2022	76.959
2023	77.846