Year	% of total employment (modeled ILO estimate)
1991	3.88743687848403
1992	3.74699214135592
1993	3.60123240368295
1994	3.44230971718179
1995	3.29040110554902
1996	3.14091716704946
1997	2.93853071872399
1998	2.85244378765086
1999	2.8162481034432
2000	2.49632651256825
2001	2.58221037875248
2002	2.56913986584386
2003	2.3545176976708
2004	2.04025477758318
2005	2.03858397987778
2006	2.21411218548872
2007	2.35827095510456
2008	1.96304657311846
2009	2.18555772966745
2010	2.04368631422212
2011	2.09889823250918
2012	1.99147004902315
2013	2.10549973797864
2014	1.97166568716892
2015	1.92099969897277
2016	1.91160063085834
2017	1.91340164633494
2018	1.91861303428815
2019	1.76486182265751
2020	1.76965087359133
2021	2.09893038781995
2022	2.27842172404815
