Year	% (modeled ILO estimate)
1991	64.17019208431853
1992	64.04954858393599
1993	63.92790894395612
1994	63.91210494914781
1995	64.0066721104016
1996	63.99628833748571
1997	63.944829919356266
1998	63.830197795485894
1999	63.6853154668553
2000	63.533255171862976
2001	63.43666328211934
2002	63.296941636305924
2003	63.145996196800496
2004	63.1058530278015
2005	63.06029238947482
2006	62.942320874501455
2007	62.67423275859718
2008	62.41768559779488
2009	62.10076456439902
2010	61.94010128719632
2011	61.64452089784349
2012	61.3646470289088
2013	61.19717116363797
2014	61.02733230752464
2015	60.712768596926814
2016	60.536413210797825
2017	60.67459061269599
2018	60.72510922529859
2019	60.55670649336992
2020	59.52395196276928
2021	59.38815506556379
2022	59.827500923749646
2023	59.82802238091888