Year	% of total working-age population with basic education
1996	44.734
1997	45.729
1998	46.309
1999	47.118
2000	47.335
2001	47.988
2002	48.783
2003	48.328
2004	48.488
2005	46.384
2006	47.154
2007	48.035
2008	48.969
2009	48.992
2010	47.548
2011	47.92
2012	48.311
2013	47.143
2014	45.988
2015	45.882
2016	45.068
2017	44.6
2018	44.672
2019	44.928
2020	43.11
2021	47.549
2022	47.791
2023	49.552