Year	% (modeled ILO estimate)
1991	58.66120197571738
1992	58.06487366166868
1993	57.142695940124305
1994	56.56056003748597
1995	55.80192686432531
1996	54.8171119133054
1997	53.93903909268446
1998	53.22450727496693
1999	52.8933590087884
2000	52.12765169887314
2001	51.50558229752192
2002	50.94718813982033
2003	50.316216742684006
2004	50.02340445877334
2005	49.493488536998285
2006	48.753825257840454
2007	48.03089139697756
2008	47.28478773977837
2009	46.488436930127406
2010	45.422546996912835
2011	44.531073547395785
2012	43.762698825553805
2013	43.02256569547744
2014	42.30084119804279
2015	41.631383168231814
2016	40.98410424396964
2017	40.31003419443916
2018	39.62786712660408
2019	39.144900690976684
2020	36.89370961207947
2021	37.44229454837669
2022	37.66338841348275
2023	38.1347478815561