Year	% of total working-age population with intermediate education
2001	69.226
2006	61.741
2007	61.484
2008	60.575
2009	59.14
2010	59.298
2011	58.418
2012	58.573
2013	56.774
2014	57.687
2015	57.265
2016	55.196
2017	54.58
2018	54.182
2019	53.338
2020	57.621
2021	60.519
2022	60.672
2023	61.308