Year	% of total employment (modeled ILO estimate)
1991	3.37105832826232
1992	3.83089514598188
1993	4.13007375567821
1994	3.82171519841021
1995	3.9455927031465
1996	4.10407495589318
1997	4.34879387953635
1998	4.24415356373214
1999	4.14938324713522
2000	4.75229613136655
2001	5.27761031628167
2002	4.98068585789517
2003	4.71794961328282
2004	4.49233299075026
2005	4.44802717759
2006	4.52274304264863
2007	4.64160046098769
2008	4.68629907663799
2009	4.78161814581502
2010	4.95608897502101
2011	4.50462343276067
2012	4.34278983900164
2013	5.30400843601041
2014	4.73804733702099
2015	5.471032982677
2016	5.36686744656208
2017	4.93748678744008
2018	4.52313470958556
2019	4.16351045872873
2020	3.97749308875864
2021	3.87962422110757
2022	3.83427506889809