Year	% of total working-age population with intermediate education
1992	64.954
1993	65.475
1994	63.384
1995	59.466
1996	60.483
1997	62.349
1998	63.243
1999	66.709
2000	65.842
2001	64.996
2002	67.336
2003	66.413
2004	64.775
2005	66.225
2006	67.968
2007	67.866
2008	68.643
2009	70.701
2010	71.631
2011	73.266
2012	73.755
2013	74.118
2014	74.966
2015	74.693
2016	74.689
2017	75.053
2018	74.937
2019	75.357
2020	72.399
2021	71.909
2022	73.959
2023	74.942