Year	% of total labor force (modeled ILO estimate)
1991	3.213
1992	3.312
1993	3.39
1994	3.345
1995	3.233
1996	3.117
1997	3.14
1998	3.169
1999	3.206
2000	3.224
2001	3.233
2002	3.165
2003	3.05
2004	2.973
2005	2.948
2006	3.173
2007	3.401
2008	3.625
2009	3.879
2010	4.096
2011	4.315
2012	4.485
2013	4.474
2014	4.446
2015	4.456
2016	4.548
2017	4.637
2018	4.661
2019	4.642
2020	5.369
2021	5.273
2022	4.585
2023	4.544