Year	% of total working-age population with basic education
1995	51.474
1996	64.769
1997	48.938
1998	50.046
1999	49.739
2000	49.746
2001	51.868
2002	51.015
2003	50.143
2004	48.857
2005	49.454
2006	48.939
2007	48.62
2008	47.773
2009	46.496
2010	46.68
2011	46.942
2012	46.756
2013	46.423
2014	47.227
2015	47.308
2016	47.117
2017	48.2
2018	49.263
2019	49.825
2020	48.792
2021	43.277
2022	44.77
2023	45.718