Year	% (modeled ILO estimate)
1991	69.89418274311977
1992	70.11576758275977
1993	70.26484107560115
1994	70.85336311949789
1995	71.16426087647088
1996	71.52210303698496
1997	72.07265118212987
1998	72.31229866039475
1999	73.07015689304689
2000	73.49091822201783
2001	73.81504423851995
2002	74.23607729322961
2003	74.63476712102495
2004	74.94947044257431
2005	75.32957288194626
2006	75.66118064173388
2007	75.77055705132466
2008	75.94582725435527
2009	76.53054061260877
2010	76.63099685102756
2011	76.84332171670106
2012	76.98625968777576
2013	77.14803283542233
2014	77.42928148515081
2015	77.45325561781952
2016	77.7292492573429
2017	78.06229550554019
2018	78.39020028408999
2019	78.85550819093253
2020	79.03576664404406
2021	79.53646293070386
2022	79.94433353830793
2023	80.28148233243033
