Year	% (modeled ILO estimate)
1991	41.761974348220456
1992	41.48938160301903
1993	39.21844273863626
1994	38.70315697482907
1995	38.711565917757945
1996	38.04934064070889
1997	36.92832312128805
1998	36.252762629657234
1999	33.24574466925835
2000	31.518517359552014
2001	30.414403205656605
2002	28.6638572551884
2003	28.119689203972825
2004	27.300248771258147
2005	27.16606745079539
2006	27.914740730766106
2007	29.69597089896314
2008	30.564149522686424
2009	28.6252065468362
2010	28.00980133176781
2011	27.161652384610004
2012	27.015303443508238
2013	27.077040554837737
2014	28.57850917247564
2015	29.710579017800107
2016	30.959859834122145
2017	32.178069896457814
2018	32.54572589148305
2019	32.763773228805036
2020	30.48566559386545
2021	29.171675042031385
2022	29.452990328762986
2023	29.313462493914248