Year	% of total employment (modeled ILO estimate)
1991	14.944194793502897
1992	14.930061995722557
1993	14.946189588083028
1994	15.022195024813609
1995	15.124435206209263
1996	15.27976113353757
1997	15.389295541029497
1998	15.610586941791041
1999	15.976766211173304
2000	16.140853369735833
2001	16.518032371396924
2002	16.805463094877226
2003	17.347047255055227
2004	17.766971503835087
2005	18.20150796554989
2006	18.718083424421835
2007	19.440805563598236
2008	19.911191277341445
2009	20.785203646469594
2010	21.67753086848012
2011	22.688417444403775
2012	23.757416834088165
2013	24.01205928080919
2014	24.118354161366064
2015	24.2823003623957
2016	24.373948079694365
2017	24.4984550865107
2018	24.680763133620264
2019	24.57829206303546
2020	23.473662310316442
2021	24.17111500826703
2022	25.448535934514126