Year	% of total working-age population with intermediate education
2004	67.504
2005	67.018
2006	67.735
2008	66.464
2009	67.309
2010	66.339
2011	66.609
2012	66.422
2013	66.24
2014	65.146
2017	65.193
2018	66.086
2019	66.403
2020	61.267
2021	66.015
2022	66.806
2023	67.801