Year	% of total working-age population with intermediate education
2002	74.528
2003	74.898
2004	72.957
2005	74.632
2007	67.859
2008	68.534
2009	71.393
2010	72.374
2011	72.923
2012	72.962
2013	72.237
2014	71.915
2015	72.755
2016	71.953
2017	71.212
2018	70.609
2019	69.91
2021	69.721
2022	68.298
2023	68.81