Year	% of total working-age population with intermediate education
1996	76.982
1997	77.725
1998	78.162
1999	77.543
2000	77.422
2001	77.412
2002	77.056
2003	75.738
2004	74.97
2005	74.6
2006	75.072
2007	75.654
2008	76.517
2009	74.826
2010	73.644
2011	73.095
2012	73.042
2013	72.358
2014	71.242
2015	71.336
2016	70.008
2017	69.437
2018	70.158
2019	69.654
2020	69.244
2021	68.962
2022	62.496
2023	61.996