Year	% of total employment (modeled ILO estimate)
1991	19.70688545284
1992	19.3538060353489
1993	18.9559154102285
1994	18.5884262574967
1995	18.5684693197948
1996	18.8654727332836
1997	18.5063965977737
1998	18.505612372736
1999	18.078881139494
2000	18.3589029027668
2001	17.6872615929909
2002	18.171854446437
2003	18.8185136597432
2004	19.2791043356839
2005	19.9174106600813
2006	21.0287313223507
2007	22.1685270365661
2008	23.1848940852748
2009	24.2822679736611
2010	25.6868743130226
2011	27.2486899457421
2012	28.9027749003868
2013	29.8289347845431
2014	30.6975460346792
2015	31.5483766874697
2016	31.9078188397922
2017	32.2092706479228
2018	32.696579177109
2019	33.4023596054889
2020	33.0943369039512
2021	33.2999841294474
2022	33.743287494735