Year	% of total working-age population with intermediate education
1996	70.069
1997	70.745
1998	70.998
1999	71.832
2000	73.002
2001	73.506
2002	73.596
2003	72.764
2004	71.832
2005	71.725
2006	71.595
2007	72.128
2008	72.82
2009	72.831
2010	71.586
2011	70.583
2012	71.484
2013	69.926
2014	69.64
2015	69.71
2016	69.083
2017	69.04
2018	69.326
2019	69.472
2020	68.765
2021	70.781
2022	71.39
2023	72.024