Year	% (modeled ILO estimate)
1991	37.421601585560786
1992	36.4059412888742
1993	35.46139244633539
1994	35.3432622882417
1995	34.63173126958001
1996	33.8348980294095
1997	32.80278346550665
1998	32.67640814883045
1999	31.95734972358119
2000	31.638893909704144
2001	30.919490893618097
2002	30.2288238310465
2003	30.641282661117984
2004	30.38259539921661
2005	30.207859862278696
2006	30.40704802499935
2007	30.283944591461292
2008	30.166992101144906
2009	28.457515879204323
2010	27.655368910778602
2011	27.406341300006794
2012	26.972095635098537
2013	26.531127399089712
2014	26.76023824069394
2015	27.202564291452873
2016	27.343951423639037
2017	27.45078410367362
2018	27.919590837292986
2019	27.88614054500099
2020	25.46198114847937
2021	25.249728731748164
2022	25.943886665178397
2023	26.48123919153963