Year	% of total working-age population with intermediate education
2008	55.856
2009	55.29
2010	56.85
2011	57.507
2012	58.107
2013	58.046
2014	56.988
2015	53.755
2016	52.473
2017	51.029
2018	48.268
2019	59.476
2020	45.503
2021	48.048
2022	47.904
