Year	% of total labor force (modeled ILO estimate)
1991	3.6734886979355426
1992	3.6795102312726966
1993	3.890748945590224
1994	4.291472320141471
1995	4.45816149675147
1996	4.645584971502474
1997	4.906253452229853
1998	5.165951391006948
1999	5.408993813874628
2000	5.260838481178159
2001	5.433876888005208
2002	5.624052019243857
2003	5.860882380655888
2004	5.684218922329841
2005	5.607510929371952
2006	5.358492019323008
2007	5.096983346458387
2008	5.1246283228628435
2009	5.553093905960439
2010	5.227675376204529
2011	5.0966666994574314
2012	5.012490856869532
2013	4.99428400198148
2014	4.923250433852306
2015	5.098161783154878
2016	5.272042394727552
2017	5.265636707816738
2018	5.045782132207426
2019	5.189043412073454
2020	5.928785935616377
2021	5.509314199513739
2022	5.205297797574954
2023	4.842147800245562