Year	% (modeled ILO estimate)
1991	55.40042034707206
1992	55.513223118873896
1993	55.4039342341918
1994	55.29518898421671
1995	55.22486127238188
1996	55.17074164588426
1997	54.99683602601693
1998	54.77956604194679
1999	54.55718888861338
2000	54.29474656514238
2001	54.08373786561333
2002	53.9205805830407
2003	53.77512650550207
2004	53.65692908687067
2005	53.5910585800167
2006	53.30324533188758
2007	52.8982269221494
2008	52.52241295433905
2009	51.93422144088804
2010	51.16476266099945
2011	51.01642574188531
2012	50.62666838115741
2013	50.609267951079154
2014	50.198666838326346
2015	50.07222189409244
2016	49.88188606722291
2017	49.68658958000644
2018	49.2128233390318
2019	48.97775960123361
2020	48.54976809127921
2021	48.344356789912865
2022	48.236951874172846
2023	48.393296673353525