Year	% of total working-age population with intermediate education
2001	64.867
2002	66.229
2003	67.222
2004	66.717
2005	66.474
2006	66.059
2007	65.069
2008	64.959
2009	64.995
2010	65.105
2012	63.618
2013	64.412
2014	63.954
2015	63.877
2016	63.877
2017	63.686
2018	62.408
2019	71.373
2020	72.173
2021	59.518
2022	64.251
