Year	% of total labor force (modeled ILO estimate)
1991	27.078
1992	26.931
1993	27.509
1994	27.422
1995	27.607
1996	27.461
1997	27.446
1998	27.269
1999	26.955
2000	26.862
2001	26.78
2002	26.761
2003	26.647
2004	26.602
2005	26.605
2006	26.528
2007	26.423
2008	26.299
2009	26.436
2010	26.469
2011	26.399
2012	26.252
2013	26.211
2014	26.217
2015	26.095
2016	25.999
2017	26.064
2018	26.18
2019	26.246
2020	27.645
2021	27.548
2022	26.367
2023	26.258