Year	% of total working-age population with intermediate education
2000	56.347
2007	83.232
2010	74.386
2011	75.65
2012	75.56
2013	73.271
2014	72.314
2015	72.476
2016	71.781
2017	71.368
2018	72.289
2019	72.077
2020	72.129
2021	71.967
2022	72.504
2023	74.299