Year	% of total labor force (modeled ILO estimate)
1991	4.049056149904056
1992	4.113006972738599
1993	4.217714816537238
1994	4.2606406448987375
1995	4.213231821538977
1996	4.26923237313747
1997	4.25581153350837
1998	4.353356585094409
1999	4.438539949079771
2000	4.444112571438201
2001	4.439423398344336
2002	4.427274950692536
2003	4.399260664685857
2004	4.294201386764701
2005	4.184021524383525
2006	4.0246192238743665
2007	4.0116455625782335
2008	4.076936510572254
2009	4.147388804147197
2010	4.077740607340996
2011	4.1101103229540445
2012	4.438229651607577
2013	4.276897486361901
2014	4.170764760174989
2015	4.484489496529613
2016	4.375586706268089
2017	4.583455713101775
2018	4.6699564528572095
2019	4.79765160867445
2020	5.612674796025697
2021	5.658217577798399
2022	5.032833816940651
2023	4.9528197799023195