Year	% of total employment (modeled ILO estimate)
1991	23.4046539513621
1992	23.5585300576216
1993	23.7472862068734
1994	24.1218875709472
1995	24.426124465759
1996	24.6857719092037
1997	24.5982151511822
1998	24.4579281089954
1999	24.5333495285669
2000	27.4625731117633
2001	30.8510128968551
2002	30.4566425775896
2003	31.3645819046313
2004	31.3863836570326
2005	32.4443234413286
2006	31.4467708919842
2007	31.8878055419317
2008	31.9465562664659
2009	33.9573083481977
2010	34.9702965553586
2011	34.6742733971393
2012	34.2595880071743
2013	34.0444141002385
2014	35.1820778215868
2015	35.5272451908086
2016	35.7875745345226
2017	39.2658292889515
2018	42.0020058153095
2019	43.432880695398
2020	45.3924755373749
2021	50.6347388677198
2022	49.0262830817452