Year	% of total employment (modeled ILO estimate)
1991	3.96461308215342
1992	3.5718605541339
1993	3.44533444496067
1994	3.3551972715371
1995	3.37598163467942
1996	3.13923805605388
1997	3.24135709580969
1998	3.1358964218018
1999	3.19633613659053
2000	3.1989257060377
2001	3.16058923776116
2002	3.05321792261555
2003	3.01334592918478
2004	3.05243596073533
2005	2.93781128482083
2006	2.92742809250941
2007	2.88506410804868
2008	2.81798262151475
2009	2.78683508708879
2010	2.65175689934386
2011	2.52449142967298
2012	2.53464385203975
2013	2.47896231059426
2014	2.54821837858055
2015	2.44931045763451
2016	2.43224591910341
2017	2.23916712988303
2018	2.05892950902371
2019	2.21368694659025
2020	2.18789326902127
2021	2.17387491013879
2022	2.16691201974903
