Year	% of total labor force (modeled ILO estimate)
1991	2.461721700941929
1992	2.4540832442418536
1993	2.711046491850781
1994	2.9791647950563998
1995	3.05262607217554
1996	3.16093307233808
1997	3.250561538757499
1998	3.5393223150100046
1999	3.6459471982221254
2000	3.5502584626828173
2001	3.9456108723657906
2002	4.244901804422349
2003	4.4652971127719265
2004	4.419485709202625
2005	4.466034087178507
2006	4.343776086087838
2007	4.295078831486373
2008	4.374400473150988
2009	4.455703331620448
2010	4.2103408216281455
2011	4.1233868128831705
2012	4.054692595690491
2013	4.0396156695396455
2014	4.021652794149959
2015	4.089076805105359
2016	3.9999270389511135
2017	3.8711631135085143
2018	3.7502772539973335
2019	3.8199817304260875
2020	4.300353122868593
2021	4.061778871023282
2022	4.109334927316373
2023	3.8856870657561364