Year	% (modeled ILO estimate)
1991	37.92672992653262
1992	37.82991811057856
1993	37.72387593425883
1994	37.43255203751272
1995	37.83142094265591
1996	37.17746593106517
1997	36.63771964443273
1998	35.92465165239538
1999	35.4679203008868
2000	35.36799212870091
2001	35.297017270167174
2002	35.260869063926094
2003	35.42416954444242
2004	35.51324049569189
2005	35.82264103431124
2006	36.06016245622824
2007	36.21147393105071
2008	36.370716511588235
2009	36.42111305334666
2010	36.64554326453963
2011	36.94972313418342
2012	36.77719534930947
2013	36.79515192427133
2014	37.7120811879129
2015	37.26938154450642
2016	37.73609384619203
2017	37.83598151165496
2018	38.29471409317461
2019	36.83026514995384
2020	35.17992914796076
2021	35.8041151219763
2022	36.036124424924076
2023	36.141083754494765