Year	% of total working-age population with intermediate education
2008	64.608
2009	61.908
2010	59.979
2011	60.377
2012	60.504
2013	60.212
2014	60.571
2016	63.439
2017	64.406
2018	64.004
2019	65.443
2020	67.552
2021	64.445
2022	66.915