Year	% of total employment (modeled ILO estimate)
1991	1.99672585302454
1992	2.01650627284525
1993	2.0355889186861
1994	2.05725018086695
1995	2.07615720213186
1996	2.10783157253199
1997	2.14046184898524
1998	2.2141618574551
1999	2.30606508659181
2000	2.36370915800651
2001	3.63721933284997
2002	3.37652749229779
2003	3.59883161891073
2004	3.82443854510962
2005	3.84875611187689
2006	3.94385589705766
2007	4.05100970208154
2008	3.65840381865143
2009	3.48614078056484
2010	3.68038861333349
2011	3.62738284615019
2012	3.56313093254982
2013	3.92013414930588
2014	3.80822360976085
2015	3.57299879255091
2016	3.55536696151867
2017	3.63779683834282
2018	3.71686257336754
2019	3.54780099672761
2020	3.58871008539399
2021	3.68366403270555
2022	3.83112884740857