Year	% of total labor force (modeled ILO estimate)
1991	4.045
1992	4.189
1993	4.47
1994	4.184
1995	3.986
1996	3.624
1997	3.636
1998	3.789
1999	3.892
2000	4.151
2001	4.102
2002	4.085
2003	3.964
2004	3.999
2005	4.151
2006	4.229
2007	3.822
2008	3.286
2009	2.853
2010	2.385
2011	1.982
2012	2.028
2013	2.083
2014	2.142
2015	2.204
2016	2.963
2017	3.744
2018	2.903
2019	2.056
2020	2.211
2021	2.285
2022	2.065
2023	2.048