Year	% of total labor force (modeled ILO estimate)
1991	6.0587985616817095
1992	6.052664066119145
1993	6.063361995687864
1994	6.029688876213388
1995	6.1542588910361085
1996	6.259586574523749
1997	6.403903260670645
1998	6.546205166163413
1999	6.68489913019208
2000	6.814501447219897
2001	6.974432740077517
2002	7.171288476159792
2003	7.300642027391052
2004	7.405676425442525
2005	7.495395200285141
2006	7.353658894851415
2007	7.309585023058806
2008	7.307460698788465
2009	7.302350779386808
2010	7.070197802814399
2011	7.023917254313609
2012	7.279204111336866
2013	7.188626615918324
2014	7.0008170992080645
2015	7.109827098801065
2016	6.915975834507505
2017	6.954803489472916
2018	7.008804790118831
2019	6.233832315028006
2020	7.550048851807954
2021	6.445897193331814
2022	5.1452894788775385
2023	4.613499404304358