Year	% of total labor force (modeled ILO estimate)
1991	9.45
1992	7.69
1993	6.6
1994	8.56
1995	10.24
1996	11.77
1997	11.16
1998	11.15
1999	14.53
2000	13.99
2001	13.04
2002	16.17
2003	16.78
2004	15.07
2005	10.663
2006	8.606
2007	7.279
2008	6.245
2009	6.097
2010	7.112
2011	6.902
2012	6.601
2013	7.54
2014	6.821
2015	6.138
2016	5.319
2017	5.045
2018	5.463
2019	5.887
2020	7.53
2021	7.027
2022	5.747
2023	5.528