Year	% of total working-age population with intermediate education
2000	65.085
2001	65.684
2002	64.833
2003	64.867
2004	65.454
2005	64.292
2006	65.966
2007	66.937
2008	67.559
2009	65.39
2010	64.484
2011	62.109
2012	62.542
2013	62.459
2014	61.568
2015	60.981
2016	59.419
2017	61.947
2018	61.106
2019	61.983
2020	60.827
2021	59.15
2022	60.652
2023	58.554