Year	% of total employment (modeled ILO estimate)
1991	27.006971226706
1992	27.0528798259703
1993	27.1270822753931
1994	27.0024177195445
1995	27.0213192924785
1996	26.949273057276
1997	26.9513494803385
1998	26.9572803261615
1999	26.9820079227964
2000	27.2379790761196
2001	27.6319132717879
2002	28.0773857257418
2003	28.5451287867581
2004	28.9958302987619
2005	30.3837805384935
2006	31.8021908027759
2007	33.0315483070074
2008	34.2836925233067
2009	35.3911834789515
2010	36.7111360405897
2011	37.9846962293722
2012	39.1341211068356
2013	40.3561662643159
2014	41.4309245072353
2015	41.6227784096728
2016	41.8622009166982
2017	42.0989991330266
2018	42.4135663991729
2019	42.5910883338995
2020	42.4491996960561
2021	42.6727859967845
2022	42.9850109449783