Year	% (modeled ILO estimate)
1991	33.120786195863325
1992	33.9974507079453
1993	34.901313130146555
1994	35.8257152481734
1995	36.75213675213675
1996	37.66766719819904
1997	38.56620370914821
1998	39.4501896303974
1999	40.32596151581526
2000	41.190159965209624
2001	42.05377540858766
2002	42.8319863788499
2003	43.766615363089414
2004	44.89613895082737
2005	45.997427212538206
2006	46.943352573863564
2007	47.756809475688
2008	48.49933536997738
2009	49.25185159508706
2010	50.142027485481
2011	49.233437391605975
2012	49.414887478361216
2013	49.55615503447003
2014	49.76099813659564
2015	49.94196708372989
2016	50.04168017413051
2017	50.21567134915692
2018	50.609258897706525
2019	50.84660269858193
2020	50.422077922077925
2021	50.42548523791379
2022	50.35307896338313
2023	50.66931484202792