Year	% of total working-age population with intermediate education
1992	64.773
1993	63.967
1994	64.453
1995	63.915
1996	65.311
1997	65.02
1999	65.042
2000	64.497
2001	64.033
2002	64.084
2003	63.539
2004	63.001
2005	63.972
2006	64.377
2007	64.132
2008	64.183
2009	64.164
2010	63.444
2011	63.947
2012	63.914
2013	64.108
2014	64.492
2015	64.049
2016	65.02
2017	64.753
2018	64.573
2019	64.988
2020	63.006
2021	63.047
2022	63.199
2023	63.303