Year	% of total employment (modeled ILO estimate)
1991	5.03065029261738
1992	5.07372965122143
1993	5.12094042637976
1994	5.17322508095003
1995	5.22884965307632
1996	5.28835158309493
1997	5.35226255834764
1998	5.41517123912647
1999	5.48131287172333
2000	5.54567814043631
2001	5.61437054680771
2002	5.67766022616268
2003	5.73207951827106
2004	5.78049620951068
2005	5.81766395717037
2006	5.85178079197581
2007	5.88541687696588
2008	5.91287101572546
2009	5.93431492710618
2010	5.95107379299209
2011	5.96319157187177
2012	5.97169457862147
2013	5.97294468218223
2014	5.96504574482993
2015	5.9471242300616
2016	5.91985755292859
2017	5.88239982465579
2018	5.82971580714244
2019	5.86829020801624
2020	5.79737035194103
2021	5.72954076485217
2022	5.6523269286282
