Year	% of total employment (modeled ILO estimate)
1991	7.07641330948139
1992	7.12212505996518
1993	7.24042404943807
1994	7.36750089575877
1995	7.51093188354925
1996	7.81604568273814
1997	8.03950033047725
1998	8.16025143098925
1999	8.33076553912913
2000	8.46798948862058
2001	8.32980910025193
2002	8.54224819925745
2003	8.74557977487552
2004	9.02346639078495
2005	9.28013187427595
2006	9.49647435645201
2007	8.49170304559166
2008	7.19447762825175
2009	3.98914626070603
2010	4.21595338289003
2011	4.46252305892809
2012	3.91234575996029
2013	3.50284273546657
2014	3.07514959149371
2015	2.69613652363785
2016	2.38457042665108
2017	2.12032462089946
2018	1.89980460714194
2019	1.70610412145976
2020	1.57057467960144
2021	1.44616830840293
2022	1.33411796388372