Year	% of total labor force (modeled ILO estimate)
1991	10.097
1992	9.321
1993	10.212
1994	11.086
1995	11.661
1996	11.864
1997	11.985
1998	12.117
1999	11.681
2000	10.834
2001	9.599
2002	9.211
2003	8.869
2004	7.866
2005	7.731
2006	6.777
2007	6.076
2008	6.723
2009	7.749
2010	8.363
2011	8.359
2012	10.655
2013	12.149
2014	12.683
2015	11.896
2016	11.688
2017	11.211
2018	10.61
2019	9.952
2020	9.164
2021	9.497
2022	8.069
2023	7.618