Year	% of total working-age population with intermediate education
1989	81.77
1990	81.459
1992	77.933
1995	78.343
1996	77.78
1997	78.725
1998	78.874
1999	78.868
2001	78.673
2002	79.415
2003	79.23
2004	79.451
2005	80.513
2006	79.79
2007	79.65
2008	79.396
2009	79.798
2011	77.42
2012	82.91
2013	83.064
2014	82.993
2015	79.267
2016	75.355
2017	75.627
2018	75.319
2019	75.852
2020	70.123
2021	72.983
2022	74.021
2023	73.261