Year	% of total working-age population with intermediate education
2000	57.514
2001	64.388
2003	62.489
2004	63.328
2005	59.471
2006	58.947
2007	69.368
2008	69.664
2009	67.684
2010	65.293
2011	65.8
2012	66.487
2013	65.618
2014	66.567
2015	68.685
2016	70.208
2017	71.351
2018	69.484
2019	69.262
2021	68.743
2022	69.809
2023	68.765