Year	% (modeled ILO estimate)
1991	58.16749082746935
1992	58.42075032170015
1993	58.723329820000416
1994	58.50816248415021
1995	57.88746474142491
1996	57.15562717721906
1997	57.96043064037402
1998	57.866195885049166
1999	57.2401566823501
2000	57.08185226027702
2001	57.406067924176575
2002	57.229572190672656
2003	57.49403141068982
2004	58.25810148371734
2005	58.89679632796413
2006	59.52839829872852
2007	59.61835148479175
2008	59.768943975297084
2009	59.324738092302226
2010	59.232535016011035
2011	59.23041164319776
2012	59.806571153201894
2013	59.593345057834185
2014	59.49468757940114
2015	59.22079882124823
2016	58.46346355487941
2017	58.38406656173475
2018	58.55227394222454
2019	58.5787373873362
2020	53.50585190102642
2021	56.1983272866836
2022	58.36543386318293
2023	58.85522771669431