Year	% of male working-age population with intermediate education
1997	80.873
1998	78.77
1999	79.017
2000	78.034
2001	76.65
2002	73.919
2003	73.096
2004	73.108
2005	71.086
2006	71.406
2007	69.961
2008	69.618
2009	69.686
2010	72.099
2011	71.153
2012	71.907
2013	71.291
2014	71.821
2015	71.897
2016	70.615
2017	71.596
2018	72.171
2019	71.219
2020	70.477
2021	65.791
2022	65.157
2023	64.708