Year	% of total working-age population with basic education
1994	35.426
1995	36.104
1996	36.499
1997	37.685
1998	37.779
1999	37.969
2000	40.087
2001	40.166
2002	40.557
2003	40.883
2004	41.272
2005	41.312
2006	42.11
2007	42.513
2008	41.992
2009	41.955
2010	41.875
2011	40.921
2012	40.873
2013	40.795
2014	40.845
2015	41.043
2016	41.258
2017	41.423
2018	41.989
2019	42.186
2020	41.018
2021	41.762
2022	42.572
2023	44.161