Year	% of total employment (modeled ILO estimate)
1991	20.2487419837648
1992	20.0877171269989
1993	19.9184270614408
1994	19.7194915715025
1995	19.4640315861367
1996	19.0298822511479
1997	18.5236268595004
1998	17.8765758309928
1999	17.2847700363766
2000	16.7767135992439
2001	16.4693550880831
2002	14.8756018209791
2003	13.2683041332229
2004	11.6634274138821
2005	10.138929235882
2006	8.76714619616114
2007	8.89608688484235
2008	6.30103973138074
2009	4.22987691373641
2010	3.80170942639188
2011	3.15911458601405
2012	2.64142941207228
2013	2.43541186772242
2014	2.20749573350473
2015	1.92953054220965
2016	1.69672814252008
2017	1.47091858305245
2018	1.25593427998415
2019	1.06586276212172
2020	1.03043845406809
2021	0.995521402327729
2022	0.963459821762526