Year	% of total labor force with advanced education
1987	7.16
1988	7.288
1989	7.958
1990	7.134
1991	7.149
1992	7.795
1993	9.293
1994	8.387
1995	8.802
1996	8.489
1997	8.55
1998	9.692
1999	9.14
2000	8.457
2001	7.997
2002	7.451
2003	7.239
2004	8.459
2005	8.162
2006	7.185
2007	7.148
2008	6.433
2009	7.377
2010	10.008
2011	14.291
2012	18.911
2013	20.856
2014	20.503
2015	19.734
2016	17.827
2017	16.324
2018	14.209
2019	12.086
2020	11.557
2021	10.943
2022	8.876
2023	8.162