Year	% of total working-age population with intermediate education
1998	70.628
1999	69.306
2000	67.994
2001	67.495
2002	72.367
2003	71.48
2004	71.178
2005	70.655
2006	71.94
2007	73.178
2008	74.03
2009	71.515
2010	68.955
2011	68.075
2012	68.113
2013	67.631
2014	68.011
2015	68.54
2016	68.554
2017	69.641
2018	70.259
2019	67.974
2020	70.602
2021	60.393
2022	61.722
2023	61.472