Year	% of total labor force (modeled ILO estimate)
1991	5.133
1992	5.181
1993	5.883
1994	8.131
1995	9.449
1996	9.665
1997	11.813
1998	13.261
1999	13.036
2000	10.581
2001	8.978
2002	7.875
2003	8.21
2004	7.763
2005	7.124
2006	7.055
2007	6.002
2008	6.205
2009	8.301
2010	7.369
2011	6.536
2012	5.436
2013	5.458
2014	5.16
2015	5.571
2016	5.559
2017	5.212
2018	4.846
2019	4.496
2020	5.589
2021	4.715
2022	3.867
2023	3.325