Year	% of total working-age population with intermediate education
1992	62.944
1993	63.612
1994	64.769
1995	64.149
1996	63.617
1997	64.733
1999	73.464
2000	73.572
2001	74.223
2002	71.09
2003	69.774
2004	69.889
2005	71.088
2006	72.486
2007	75.734
2008	74.569
2009	72.593
2010	70.056
2011	68.632
2012	68.676
2013	68.173
2014	67.221
2015	66.761
2016	67.626
2017	66.541
2018	67.443
2019	67.35
2020	64.15
2021	65.804
2022	66.443
2023	68.194