Year	% of total working-age population with intermediate education
1992	65.001
1993	72.019
1994	62.248
1995	59.742
1996	62.6
1997	60.662
1999	60.259
2000	58.475
2001	62.882
2002	63.253
2003	63.813
2004	61.316
2005	60.912
2006	60.779
2007	59.367
2008	60.361
2009	59.134
2010	59.324
2011	57.08
2012	59.066
2013	58.644
2014	58.535
2015	60.322
2016	62.952
2017	60.798
2018	60.437
2019	59.153
2020	58.467
2021	57.4
2022	56.251
2023	57.36