Year	% of total employment (modeled ILO estimate)
1991	3.87993053677298
1992	3.92677739484208
1993	3.77981866081527
1994	4.81265593959724
1995	4.21541822608539
1996	4.46982196309769
1997	4.64493103885226
1998	3.99645654231009
1999	4.36473752302253
2000	4.37247326385371
2001	4.70439625441472
2002	5.04705408303479
2003	4.83687728944434
2004	5.20538708455258
2005	5.34867819575582
2006	4.69260292500698
2007	4.53442235532712
2008	4.83428494241804
2009	5.0810273516944
2010	5.15153037810768
2011	5.0470851834406
2012	5.01254736250252
2013	4.61594329394357
2014	4.21097398012476
2015	4.12493519224929
2016	3.84202453777929
2017	3.96537268410938
2018	4.08618738267429
2019	3.62748377136901
2020	3.2652078052149
2021	3.17022912675137
2022	2.87998715257043