Year	% (modeled ILO estimate)
1991	55.87601501482579
1992	55.592750936116424
1993	55.282100662912676
1994	54.880991338737786
1995	54.556574401369204
1996	54.45203166258861
1997	54.36728498630249
1998	54.138239147665395
1999	53.76598013895034
2000	53.38803551457665
2001	53.18638752232845
2002	52.98142841090234
2003	52.816623932598134
2004	52.620206734830354
2005	52.366645659148126
2006	52.11287803775337
2007	51.8087774118822
2008	51.46599594720282
2009	51.09103528559755
2010	50.74903211337525
2011	50.4577110777486
2012	49.59326906268381
2013	48.76982622680749
2014	48.26890951383442
2015	47.54337502124289
2016	46.93582466272706
2017	46.43988873565574
2018	45.86372552342514
2019	45.16353602321496
2020	44.11662842148701
2021	44.113178131750054
2022	44.61098459414119
2023	44.7179380901564