Year	% of total working-age population with intermediate education
1991	54.557
1992	56.108
1993	55.79
1994	48.652
1995	49.046
1999	63.358
2000	63.423
2001	66.092
2002	62.841
2004	59.743
2005	64.362
2006	68.08
2007	63.348
2008	66.52
2009	68.105
2011	65.763
2012	67.456
2013	64.369
2014	66.566
2015	65.084
2016	63.334
2017	63.283
2018	66.707
2019	71.482
2020	67.85
2021	76.662
2022	77.341