Year	% of total employment (modeled ILO estimate)
1991	2.48534983846731
1992	2.55879311716202
1993	2.63379291320037
1994	2.73979443634793
1995	2.92894954913809
1996	3.12827069714848
1997	3.3661072718274
1998	3.59062052040131
1999	3.84474460396666
2000	4.11443975637997
2001	4.35940958426493
2002	4.58755079462056
2003	4.79467290408334
2004	5.02943841797579
2005	5.24492207546218
2006	5.47425571350608
2007	5.09412866674902
2008	5.85151666970862
2009	7.23969630415828
2010	6.74496931808445
2011	5.8393964970213
2012	6.91895996010153
2013	7.13220651337582
2014	5.9466401566953
2015	6.73638775656706
2016	6.21529572727581
2017	5.95737644681242
2018	5.76843986175413
2019	5.41615576496358
2020	5.09831920899709
2021	4.87483179107821
2022	4.65515616101544
