Year	% of total employment (modeled ILO estimate)
1991	5.24085652885105
1992	5.85708053102597
1993	5.91444587667496
1994	5.79138497222221
1995	4.99697583416574
1996	5.62849514329984
1997	5.734098838827
1998	5.20786949677898
1999	6.08536857797833
2000	5.59560529639734
2001	5.16901915415708
2002	5.20396117210165
2003	5.22645848925182
2004	5.4160109574915
2005	5.2499132981646
2006	5.08683145221184
2007	5.10203754738273
2008	5.09691611046305
2009	4.91601844588303
2010	5.31840742971812
2011	5.40768801917453
2012	6.04233536693334
2013	6.25912176391651
2014	5.3342302430882
2015	5.71722412554125
2016	5.3945848883985
2017	5.06800704276647
2018	4.74281771294152
2019	4.46465040657807
2020	4.21974051483954
2021	3.92681274229459
2022	3.87807271303439
