Year	% of total labor force (modeled ILO estimate)
1991	4.148
1992	4.258
1993	4.106
1994	4.17
1995	4.262
1996	4.345
1997	4.278
1998	4.342
1999	4.417
2000	4.396
2001	4.337
2002	4.374
2003	4.653
2004	4.756
2005	4.64
2006	4.391
2007	4.3
2008	4.142
2009	3.991
2010	3.925
2011	3.928
2012	3.727
2013	3.516
2014	3.43
2015	3.392
2016	3.266
2017	2.524
2018	1.8
2019	2.052
2020	2.94
2021	1.9
2022	1.514
2023	1.46