Year	% of total labor force (modeled ILO estimate)
1991	4.796
1992	4.933
1993	4.993
1994	4.96
1995	5.573
1996	6.161
1997	6.93
1998	6.385
1999	6
2000	5.682
2001	5.314
2002	5.007
2003	4.736
2004	4.39
2005	4.626
2006	4.763
2007	4.997
2008	5.374
2009	5.469
2010	5.456
2011	5.368
2012	5.057
2013	4.944
2014	4.774
2015	5.383
2016	5.893
2017	6.347
2018	6.792
2019	7.373
2020	8.621
2021	9.54
2022	10.087
2023	8.759
