Year	% of total employment (modeled ILO estimate)
1991	11.886875600025
1992	11.9291861118437
1993	11.9614063050722
1994	11.868910273115
1995	12.0889375773436
1996	12.241698666701
1997	12.4311148566408
1998	12.6083448753157
1999	12.8273792493433
2000	13.045929324247
2001	13.4119552838211
2002	12.6545670688399
2003	13.3078879616505
2004	13.8765384275443
2005	14.6209572632936
2006	15.8380502967676
2007	17.2600575390527
2008	18.6504502511348
2009	19.3639516577382
2010	20.6542702440742
2011	21.9856794011487
2012	23.4379187341851
2013	20.6401989711532
2014	18.202179204992
2015	16.1444533334695
2016	16.7747516636947
2017	17.4450853332378
2018	17.9599781165232
2019	18.7262960456849
2020	18.8269164333139
2021	19.203230865225
2022	20.074094868795