Year	% of total employment (modeled ILO estimate)
1991	1.26712866812074
1992	1.27495167752371
1993	1.28542255976267
1994	1.31078189338225
1995	1.33366651212852
1996	1.41171213182399
1997	1.71706833682617
1998	1.7401420427843
1999	2.87423249039691
2000	2.26244288366269
2001	3.07120064729165
2002	3.04016601769475
2003	2.87967009798002
2004	3.16456247527706
2005	3.03227381717826
2006	2.98610859043222
2007	2.88584575753436
2008	2.92993907873382
2009	2.86674299852696
2010	2.91170139945094
2011	3.3382577476252
2012	3.51218997648464
2013	3.49468749700588
2014	3.57401915560982
2015	3.51465311407472
2016	3.51529639381716
2017	3.54467775771062
2018	3.57422451479897
2019	3.51086879274752
2020	3.40775958602155
2021	3.22216684244349
2022	3.16417377697984