Year	% of total employment (modeled ILO estimate)
1991	4.271479550033288
1992	4.426142754185251
1993	4.456836664514916
1994	4.579337551664788
1995	4.595436863896006
1996	4.637271184784438
1997	4.646599464789863
1998	4.6994336420036
1999	4.728540355739963
2000	4.666540673153953
2001	4.63818253703884
2002	4.6276631346857915
2003	4.708964038682693
2004	4.862403514206018
2005	4.772972393025335
2006	4.812367613825068
2007	4.77780878356141
2008	4.779276935044787
2009	4.7655442601533675
2010	4.730523156694321
2011	4.627733159720243
2012	4.555520964133236
2013	4.565442444457692
2014	4.4881384382987095
2015	4.459142058894358
2016	4.404535968772785
2017	4.348376780550286
2018	4.295931897392799
2019	4.276438492470581
2020	4.156023688100062
2021	4.337591159963931
2022	4.359924848363468