Year	% (modeled ILO estimate)
1991	42.306942016404754
1992	41.78158478321062
1993	40.43712948847309
1994	39.826993680278655
1995	39.25723973869061
1996	38.53881600141866
1997	38.017117790834455
1998	37.87112641948237
1999	38.209483143987974
2000	38.786717231394825
2001	38.4103497175572
2002	37.96229183774305
2003	37.13318610304551
2004	37.05925777675306
2005	37.21404590147611
2006	37.21542063311301
2007	37.450543336101894
2008	37.26063406212238
2009	35.570513480517924
2010	34.62965841260135
2011	34.589547047861814
2012	34.294116935587056
2013	34.671605409049995
2014	35.05647494994041
2015	35.58809251681411
2016	36.188755783021236
2017	36.63313490733155
2018	37.14253699931738
2019	37.61446266115093
2020	34.626317693423424
2021	36.51427898477331
2022	37.75909915487138
2023	38.3391328036791