Year	% (modeled ILO estimate)
1991	62.60664340789821
1992	62.65067299383394
1993	62.53171983865053
1994	62.669729603183896
1995	62.451016364570336
1996	62.237834334865084
1997	62.234590806019376
1998	62.182075388288006
1999	62.13131193959415
2000	61.9695377373851
2001	61.83811731146371
2002	61.774164731105955
2003	61.719367883843425
2004	61.676987047174606
2005	61.64798273484803
2006	61.640199739079584
2007	61.620295830386574
2008	61.620523623232025
2009	61.63897088571558
2010	61.6406554234191
2011	61.62562093857399
2012	61.65081927999043
2013	61.66146587634561
2014	61.66766109785202
2015	61.64066236250597
2016	61.619300695101266
2017	61.619300695101266
2018	61.62120054529384
2019	61.61949638344487
2020	61.62036896791978
2021	62.19173508566919
2022	61.571226450219676
2023	61.50144083657646
