Year	% of total labor force with basic education
1997	14.71
1998	18.741
1999	18.989
2000	23.014
2001	23.027
2002	18.056
2003	21.35
2004	13.934
2005	14.448
2006	10.252
2007	7.193
2008	12.454
2009	29.538
2010	39.375
2011	37.728
2012	33.916
2013	32.398
2014	29.536
2015	26.062
2016	24.421
2017	20.212
2018	17.126
2019	18.124
2020	22.477
2021	16.441
2022	16.603
2023	18.065