Year	% of total labor force (modeled ILO estimate)
1991	3
1992	2.09
1993	2.7
1994	2.7
1995	2.6
1996	3.1
1997	3.4
1998	3.3
1999	5.532
2000	4.766
2001	4.043
2002	3.336
2003	4.153
2004	4.77
2005	5.481
2006	4.593
2007	3.946
2008	3.756
2009	5.594
2010	6.36
2011	7.942
2012	12.097
2013	16.131
2014	16.277
2015	15.026
2016	13.006
2017	11.155
2018	8.504
2019	7.155
2020	7.755
2021	7.513
2022	6.807
2023	5.964