Year	% of total employment (modeled ILO estimate)
1991	3.38832896476922
1992	3.44025163576213
1993	3.49523360796427
1994	3.55969141470083
1995	3.63859034774326
1996	3.73885679599088
1997	3.94890112667164
1998	4.16151548769994
1999	4.3966275883534
2000	4.6355767607243
2001	4.86396601109167
2002	5.10897291435999
2003	5.34962176632339
2004	5.60098758669293
2005	5.83801347048634
2006	5.47616417725837
2007	5.2960941629635
2008	4.7724827832539
2009	4.68273393374709
2010	4.01551847389728
2011	3.85703920783054
2012	3.62667634275768
2013	3.76543307139173
2014	3.59127138399194
2015	3.69971148135119
2016	3.53825312726348
2017	3.61268827031839
2018	3.68488197413788
2019	3.62930296112483
2020	3.13823681034907
2021	3.11698348393116
2022	3.04709325829334