Year	% of total labor force (modeled ILO estimate)
1991	1.374
1992	1.381
1993	1.394
1994	1.391
1995	1.392
1996	1.392
1997	1.395
1998	1.4
1999	1.4
2000	1.652
2001	1.9
2002	1.851
2003	1.8
2004	2.49
2005	3.1
2006	3.13
2007	3.7
2008	3.833
2009	3.96
2010	3.32
2011	3.23
2012	2.05
2013	2.87
2014	2.63
2015	2.45
2016	2.737
2017	3.039
2018	3.35
2019	2.72
2020	5.03
2021	4.804
2022	5.947
2023	5.653
