Year	% of total working-age population with intermediate education
2005	38.372
2006	37.42
2007	36.497
2008	35.024
2009	36.413
2010	36.112
2011	35.576
2012	36.5
2013	37.042
2014	36.94
2015	37.766
2016	39.385
2018	40.464
2019	39.938
2020	37.518
2021	37.095
2022	37.261