Year	% of total labor force (modeled ILO estimate)
1991	8.21
1992	8.509
1993	8.962
1994	8.577
1995	7.644
1996	6.629
1997	6.841
1998	6.888
1999	7.687
2000	6.495
2001	8.381
2002	10.358
2003	10.542
2004	10.838
2005	10.636
2006	10.227
2007	10.285
2008	10.965
2009	14.026
2010	11.879
2011	9.789
2012	9.21
2013	9.713
2014	9.901
2015	10.304
2016	10.899
2017	10.919
2018	10.956
2019	13.73
2020	13.148
2021	11.969
2022	10.432
2023	9.412