Year	% of total working-age population with intermediate education
1992	82.883
1993	80.456
1994	77.398
1995	76.927
1996	76.343
1997	79.974
1998	76.124
1999	76.454
2000	76.437
2001	73.77
2002	74.122
2003	72.849
2004	72.747
2005	72.025
2006	71.62
2007	74.148
2008	71.55
2009	70.164
2010	69.882
2011	69.33
2012	68.1
2013	67.368
2014	66.6
2015	66.566
2016	65.884
2017	65.659
2018	66.186
2019	66.401
2020	65.512
2021	65.272
2022	66.158
2023	65.891