Year	% (modeled ILO estimate)
1991	63.098364907914956
1992	62.87369579685189
1993	62.38999274371443
1994	62.36892994124225
1995	62.200567714844006
1996	61.956333056927775
1997	61.70783325223834
1998	61.4896628977439
1999	61.73497124600254
2000	61.468729764255855
2001	60.8949239497314
2002	60.29746703699761
2003	59.8157568889027
2004	59.66220158681018
2005	58.91995141663085
2006	58.09100165867166
2007	57.22605854790662
2008	56.22370385933098
2009	55.09506895306789
2010	54.13761460153749
2011	53.20267687422989
2012	52.60635069306905
2013	52.10983214447556
2014	51.369652474269245
2015	50.58450928189402
2016	50.06857973968082
2017	49.52756546412137
2018	49.084317716949585
2019	48.27036568815771
2020	47.077088724659454
2021	47.41362288392087
2022	47.666592094299894
2023	47.955097278397105