Year	% of total working-age population with intermediate education
1995	82.138
1996	83.715
1997	76.547
1998	75.915
1999	76.743
2000	76.037
2001	78.014
2002	77.853
2003	77.75
2004	77.715
2005	78.299
2006	79.032
2007	79.166
2008	79.365
2009	78.231
2010	77.533
2011	77.98
2012	77.857
2013	77.759
2014	77.519
2015	76.97
2016	76.384
2017	77.03
2018	76.539
2019	76.66
2020	76.968
2021	69.248
2022	67.973
2023	68.661