Year	% of total labor force (modeled ILO estimate)
1991	3.145
1992	3.235
1993	3.365
1994	4.436
1995	7.095
1996	5.465
1997	4.235
1998	3.733
1999	2.598
2000	2.646
2001	2.627
2002	3.003
2003	3.455
2004	3.937
2005	3.558
2006	3.566
2007	3.628
2008	3.874
2009	5.356
2010	5.303
2011	5.175
2012	4.892
2013	4.921
2014	4.819
2015	4.311
2016	3.853
2017	3.419
2018	3.275
2019	3.477
2020	4.441
2021	4.019
2022	3.256
2023	2.812