Year	% of total employment (modeled ILO estimate)
1991	3.53867545737185
1992	3.56735293657866
1993	3.59956426327339
1994	3.63197653329969
1995	3.66869443144595
1996	3.70575561711296
1997	3.74624465147331
1998	3.78912193812095
1999	3.83414219315866
2000	3.87739441411962
2001	3.92602160305452
2002	3.96953417586579
2003	4.00780379041249
2004	4.04050238535683
2005	4.06977548451355
2006	4.09412217729736
2007	4.11425612232383
2008	4.12839122633172
2009	4.1398724551058
2010	4.1428135003387
2011	4.14303822803389
2012	4.1416237199652
2013	4.13529805760214
2014	4.12664248608288
2015	4.11384522607795
2016	4.09656938176458
2017	4.07284768211921
2018	4.04574983069553
2019	4.01463475133325
2020	3.98953809958828
2021	3.95707080095674
2022	3.92559458336389