Year	% of total working-age population with intermediate education
2000	44.656
2001	40.198
2002	38.011
2003	39.615
2004	38.109
2005	37.382
2006	36.614
2007	37.789
2008	36.86
2009	36.143
2010	34.725
2011	36.444
2012	36.581
2013	36.274
2014	36.931
2015	38.724
2016	38.239
2017	37.667
2018	37.362
2019	37.673
2020	34.674
2021	36.504
2022	37.728