Year	% (modeled ILO estimate)
1991	63.73237003547932
1992	64.44939155108851
1993	65.02592316057861
1994	65.92974550912832
1995	66.75865552219958
1996	67.42945413675231
1997	67.9455465456863
1998	68.60284556557201
1999	69.59299914025249
2000	70.3224684349023
2001	70.69397793322939
2002	71.48601754277277
2003	72.54394818468298
2004	73.25452887800753
2005	74.132469229152
2006	74.94167582362094
2007	75.58368356323064
2008	76.23220506841702
2009	77.25734215464458
2010	77.90236267045336
2011	78.51808683163532
2012	79.17354672090788
2013	79.73418748398548
2014	80.20098940134501
2015	80.43123066523059
2016	80.87012021372291
2017	81.06484124716258
2018	81.23423424844644
2019	81.66719007100721
2020	81.75612276706033
2021	82.60015582084431
2022	82.79947357925246
2023	82.9438585442032