Year	% of total labor force (modeled ILO estimate)
1991	1.9
1992	1.9
1993	2
1994	2
1995	5.62
1996	7.65
1997	8.93
1998	11.32
1999	11.864
2000	11.707
2001	11.061
2002	10.136
2003	9.057
2004	8.59
2005	7.18
2006	6.81
2007	6.351
2008	6.363
2009	8.84
2010	8.1
2011	7.851
2012	7.529
2013	7.17
2014	9.27
2015	9.14
2016	9.35
2017	9.5
2018	8.799
2019	8.194
2020	9.475
2021	9.834