Year	% of total labor force (modeled ILO estimate)
1991	5.316
1992	6.323
1993	7.675
1994	8.727
1995	8.158
1996	8.822
1997	9.861
1998	9.787
1999	8.854
2000	7.917
2001	7.773
2002	8.482
2003	9.779
2004	10.727
2005	11.167
2006	10.25
2007	8.658
2008	7.525
2009	7.742
2010	6.967
2011	5.825
2012	5.379
2013	5.231
2014	4.981
2015	4.624
2016	4.122
2017	3.746
2018	3.384
2019	3.136
2020	3.856
2021	3.638
2022	3.135
2023	3.045