Year	% (modeled ILO estimate)
1991	77.49902039691904
1992	77.30854703849573
1993	77.17717388787516
1994	76.50463244496757
1995	75.23651936875595
1996	74.26729090994351
1997	74.94833485934679
1998	74.47669284255866
1999	73.4748697248236
2000	73.0419554705573
2001	72.92555701132501
2002	72.33851634824298
2003	72.52335907551671
2004	73.09898059843904
2005	73.36420741416433
2006	73.89512482032272
2007	73.8541104751657
2008	73.9091595246502
2009	72.97229826230564
2010	72.88507610991303
2011	72.94879561561704
2012	73.28878327253301
2013	72.97103704764675
2014	72.8136216324579
2015	72.34713504659446
2016	71.27650512173967
2017	71.08410040832196
2018	71.01132363631162
2019	70.77559535858165
2020	65.46273313606237
2021	68.50409113122757
2022	70.57076483967117
2023	70.83650454375937