Year	% of total labor force (modeled ILO estimate)
1991	2.485
1992	2.702
1993	2.727
1994	2.631
1995	2.6
1996	2.453
1997	2.36
1998	2.303
1999	2.165
2000	2.057
2001	1.891
2002	1.785
2003	1.646
2004	1.503
2005	1.35
2006	1.198
2007	1.066
2008	0.941
2009	0.833
2010	0.708
2011	1.055
2012	1.398
2013	1.755
2014	2.117
2015	2.491
2016	2.88
2017	3.269
2018	2.896
2019	2.528
2020	2.314
2021	1.997
2022	1.209
2023	1.181