Year	% (modeled ILO estimate)
1991	35.85843778090162
1992	35.07316326547121
1993	34.93169812444172
1994	34.905162887259905
1995	34.28915682030411
1996	33.87492366330419
1997	33.409305552515704
1998	33.4698837325888
1999	33.55976586191036
2000	33.48312441213229
2001	33.23965601684106
2002	32.4642284209734
2003	33.262762375763614
2004	33.145560416695794
2005	33.11732000300489
2006	33.056063905779105
2007	32.94526299674212
2008	33.02118911378759
2009	32.263711752673785
2010	31.468432353950888
2011	30.870088113396726
2012	30.770594466545763
2013	30.453971340457727
2014	30.592254183423645
2015	31.093718295349937
2016	31.006554463137732
2017	31.05959660447739
2018	31.168453877874835
2019	30.31787138686231
2020	28.79822542422687
2021	28.4678949320964
2022	29.136203375165863
2023	29.071315872182826