Year	% of total working-age population with intermediate education
1999	72.666
2000	72.255
2001	73.913
2002	73.283
2003	72.22
2004	71.429
2005	72.373
2006	71.673
2007	72.42
2008	72.444
2009	71.731
2010	70.711
2011	70.062
2012	70.188
2013	69.879
2014	70.04
2015	68.114
2016	65.558
2017	67.342
2018	67.94
2019	67.305
2020	65.418
2021	66.847
2022	68.023
2023	67.659