Year	% of total employment (modeled ILO estimate)
1991	1.27062878135149
1992	1.2731110650408
1993	1.39480211765577
1994	0.772228126106978
1995	0.973425001652674
1996	1.96914045982539
1997	2.00479020668855
1998	1.17775887061196
1999	1.30177043962602
2000	1.43298594280174
2001	1.56098052916303
2002	1.69291554628766
2003	1.81281342882956
2004	1.9111729627274
2005	2.0108275328693
2006	2.11181611397103
2007	2.22463691915828
2008	2.36210156979791
2009	2.5353865297869
2010	2.72965683400318
2011	2.93541563291635
2012	3.17370795734208
2013	3.43498865666353
2014	3.73867797263442
2015	4.12389113568446
2016	4.47831021145517
2017	4.45984137113684
2018	4.40727922295411
2019	4.34587990573614
2020	4.51120475539307
2021	4.37388708023814
2022	4.24696060411453