Year	% (modeled ILO estimate)
1991	78.13932340341867
1992	78.02045101053453
1993	77.85558874107899
1994	77.70265172599254
1995	77.23238504962937
1996	76.57026652043218
1997	76.98305370082444
1998	77.0822866082533
1999	77.55661398489656
2000	78.06479188740005
2001	78.26611328883125
2002	77.32556879686464
2003	76.98554027675645
2004	76.53117943167395
2005	76.04331037856807
2006	75.87457908024638
2007	75.35379027564198
2008	75.06876107389948
2009	75.30645832343512
2010	75.33069494850824
2011	75.45067117679703
2012	75.67136682785589
2013	75.57305789349024
2014	75.66383257185998
2015	75.47798534915411
2016	75.35430007110841
2017	75.49203820851994
2018	75.44778084732737
2019	75.11558223456665
2020	74.68614720916305
2021	75.92304293235688
2022	77.10125386759739
2023	77.03846261330776
