Year	% of total working-age population with intermediate education
2003	60.286
2006	61.915
2008	57.896
2009	57.428
2010	57.861
2011	59.005
2012	56.631
2013	57.334
2014	58.727
2015	58.71
2016	57.765
2017	58.648
2018	58.624
2019	63.06
2020	59.959
2021	55.504
2022	60.106