Year	% of total employment (modeled ILO estimate)
1991	20.996213244662748
1992	21.012700459863463
1993	21.228054950593453
1994	21.286847315143806
1995	21.328361800437794
1996	21.55832818770887
1997	21.62162148654066
1998	21.414536251473486
1999	21.215253139300536
2000	21.0392807685587
2001	21.096627177714538
2002	20.801636113146596
2003	20.944131626442463
2004	21.503434887832707
2005	22.21844637306872
2006	22.963684166108123
2007	23.829844985914622
2008	24.081792064704246
2009	24.333225172735116
2010	24.915535627825115
2011	25.446485842965608
2012	26.080680187523754
2013	26.033615722362615
2014	26.085494670961154
2015	25.87972783154464
2016	26.04358944260484
2017	26.215465530567098
2018	26.420477345491136
2019	26.553927970680114
2020	26.386062848730447
2021	26.881188681706156
2022	27.203998147660812
