Year	% of total working-age population with intermediate education
2009	59.39
2010	59.22
2011	59.07
2012	71.788
2013	71.435
2014	71.628
2015	71.518
2016	70.887
2017	70.929
2018	70.512
2019	69.487
2020	67.302
2021	67.115
2022	68.531