Year	% of total employment (modeled ILO estimate)
1991	3.73938369479591
1992	3.7801316746227
1993	3.8206813390429
1994	3.86319022426838
1995	3.9159604858974
1996	3.96096624639513
1997	4.01108686113788
1998	4.07344074405096
1999	4.13683791108951
2000	4.20528678465315
2001	4.25494799814222
2002	4.29881428064256
2003	4.33375570445314
2004	4.38052768945103
2005	4.42096526615179
2006	4.39420481274135
2007	4.34738465555002
2008	4.35987350314328
2009	3.55606776322437
2010	3.6188784356513
2011	3.86161811116349
2012	3.89415627684428
2013	3.77777409765113
2014	3.57124673954348
2015	3.77442409854135
2016	3.35474606909256
2017	3.47425409127473
2018	3.58721585298895
2019	3.36277102163949
2020	3.08584150465948
2021	3.18010302428806
2022	3.12643643718631