Year	% of total working-age population with basic education
1996	49.136
1997	49.791
1998	51.445
1999	51.256
2000	51.042
2001	49.513
2002	51.786
2003	48.019
2004	45.974
2005	44.526
2006	55.975
2007	56.978
2008	57.953
2009	57.406
2010	55.369
2011	55.844
2012	55.859
2013	53.984
2014	50.129
2015	51.138
2016	51.179
2017	50.673
2018	49.489
2019	50.697
2020	49.848
2021	54.638
2022	49.994
2023	50.048