Year	% of total labor force (modeled ILO estimate)
1991	1.645
1992	1.73
1993	1.915
1994	1.841
1995	1.8
1996	1.836
1997	1.908
1998	2.071
1999	2.197
2000	2.25
2001	2.442
2002	2.657
2003	2.902
2004	2.964
2005	3.12
2006	2.959
2007	2.925
2008	2.805
2009	2.919
2010	2.789
2011	2.568
2012	2.266
2013	2.074
2014	1.962
2015	1.792
2016	1.64
2017	2.462
2018	2.236
2019	2.331
2020	4.294
2021	3.105
2022	2.873
2023	2.706