Year	% of total employment (modeled ILO estimate)
1991	5.52916861473658
1992	5.31221818610884
1993	5.05043949491549
1994	4.83267743460879
1995	4.61893417304845
1996	4.45206345536195
1997	4.29933989513129
1998	4.22050871818022
1999	4.05375738543625
2000	3.84080469936622
2001	3.71384076765004
2002	4.22363843789164
2003	4.12245644834929
2004	4.33568738457959
2005	4.04907841162821
2006	4.08644533492799
2007	3.89281810350444
2008	3.81873465827365
2009	3.72897338403042
2010	2.65938420254244
2011	2.67969404474677
2012	2.6981242715354
2013	2.71377905845224
2014	2.72460151289558
2015	2.69983491354683
2016	2.6910922876556
2017	2.69085729968794
2018	2.68530965208463
2019	2.6784156240521
2020	2.72554978745268
2021	2.6980367503186
2022	2.67865397337675