Year	% of total labor force (modeled ILO estimate)
1991	3.404
1992	3.498
1993	3.445
1994	3.424
1995	3.197
1996	3.182
1997	3.222
1998	3.418
1999	3.454
2000	3.52
2001	3.517
2002	3.5
2003	3.6
2004	2.706
2005	1.9
2006	2.27
2007	2.675
2008	3.049
2009	3.6
2010	3.619
2011	3.528
2012	3.551
2013	1.91
2014	2.404
2015	2.788
2016	3.167
2017	3.643
2018	3.42
2019	3.185
2020	3.914
2021	3.422
2022	2.93
2023	2.831
