Year	% (modeled ILO estimate)
1991	34.002592192491214
1992	33.649714958693316
1993	31.56811759179564
1994	30.860334363902123
1995	29.849694258509757
1996	28.701724999069427
1997	28.462870150798746
1998	28.81493836069625
1999	26.76461197743325
2000	25.857348426235905
2001	25.055689333275005
2002	22.925059250595346
2003	21.358659106648247
2004	21.385046724755533
2005	20.87192419735051
2006	21.453649444462272
2007	22.154961342199613
2008	22.604142068153113
2009	21.65572149324681
2010	20.73004605707077
2011	19.34052811844799
2012	19.49678188915986
2013	19.118058686691832
2014	20.382635469211102
2015	21.155221585383543
2016	22.12630967026012
2017	23.838238779673553
2018	24.320712195371065
2019	24.357720388956597
2020	21.874563782480664
2021	20.65299711084286
2022	21.36765148387331
2023	21.69591630969501