Year	% of total working-age population with intermediate education
1998	72.916
1999	72.531
2000	74.477
2001	74.295
2002	73.661
2003	73.722
2004	73.594
2005	71.79
2006	72.013
2007	71.439
2008	71.288
2009	70.263
2010	69.978
2011	67.608
2012	67.758
2013	67.266
2014	66.207
2015	66.12
2016	66.437
2017	66.093
2018	65.303
2019	64.628
2020	63.653
2021	64.65
2022	64.756
2023	65.17