Year	% of total employment (modeled ILO estimate)
1991	4.065642895809
1992	4.11305879912184
1993	4.15650707793085
1994	4.20226496261009
1995	4.25042648347088
1996	4.29499296351213
1997	4.34068169773211
1998	4.40544098288723
1999	4.4594414737452
2000	4.51378508343003
2001	4.59939773417653
2002	4.72791777534304
2003	4.92769604967817
2004	5.18117489172208
2005	6.41385061470134
2006	7.88386919596981
2007	9.60504064746248
2008	9.64564716170818
2009	9.65443038141692
2010	9.63710534665263
2011	9.61398536156231
2012	9.5770056841698
2013	9.53652036957865
2014	9.47933069300631
2015	9.40991087253785
2016	9.32506035852338
2017	9.23201397603152
2018	9.12390200519357
2019	9.00729063735348
2020	8.89401115698894
2021	8.80012662321679
2022	8.69600541976966