Year	% of total employment (modeled ILO estimate)
1991	3.92872404292077
1992	3.94048665546603
1993	3.87219944828518
1994	3.95795051859112
1995	3.95876269388404
1996	3.95488233316571
1997	4.00298164011649
1998	4.02719499014559
1999	3.96637919282351
2000	3.6669608250182
2001	3.60908654557181
2002	4.10282650668302
2003	4.13056980771721
2004	4.21621204747766
2005	4.42921467888691
2006	4.28837721178991
2007	4.00397591492052
2008	4.25637370002458
2009	4.05469720468361
2010	3.8281319029457
2011	3.87880722417363
2012	4.05358578625785
2013	3.68038055202168
2014	4.2139704203882
2015	4.28571249111749
2016	3.99305471626663
2017	3.8955119841284
2018	3.94488325314292
2019	3.93466461694655
2020	3.9038769891279
2021	3.90646777825688
2022	3.95166661162665