Year	% of total employment (modeled ILO estimate)
1991	2.34542611547655
1992	2.34625515939684
1993	2.32576828606357
1994	2.2176233704184
1995	2.08144990741431
1996	2.19121769541819
1997	2.29986314456635
1998	2.35256025913142
1999	2.39524767902357
2000	2.47191932613914
2001	2.58615409763056
2002	2.76350667464263
2003	2.99224907829658
2004	3.2835410282702
2005	3.61580490079128
2006	3.98268392231403
2007	4.35741768943559
2008	4.80522680496591
2009	5.24607896160087
2010	5.73656378745045
2011	6.27570083830332
2012	6.86086852494318
2013	7.3024334539717
2014	7.91319457015607
2015	9.48306833018648
2016	11.2719504454268
2017	13.3457186643344
2018	15.502975855427
2019	15.7102077761306
2020	17.2099154514333
2021	14.3611184434504
2022	14.4368924798241