Year	% of total labor force (modeled ILO estimate)
1991	16.18
1992	16.93
1993	16.91
1994	14.6
1995	13.93
1996	13.64
1997	13.8
1998	13.46
1999	11.81
2000	10.08
2001	11.4
2002	11.94
2003	11.78
2004	10.31
2005	11.35
2006	11.01
2007	10.93
2008	11.48
2009	15
2010	16.1
2011	15.7
2012	14.5
2013	14.3
2014	13.9
2015	12
2016	11.8
2017	10.8
2018	9.2
2019	8.3
2020	8.89
2021	7.9
2022	6
2023	5.962