Year	% (modeled ILO estimate)
1991	60.99708154554658
1992	60.09865343323668
1993	58.8905447951849
1994	58.27913373036099
1995	57.25123794559612
1996	55.98543566991937
1997	54.841208562394186
1998	53.90433882291298
1999	53.097915691203546
2000	52.091352365281715
2001	51.16767252785784
2002	50.67362206575703
2003	49.96204227286428
2004	49.555118784660955
2005	48.94516613976884
2006	48.19247302952105
2007	47.48853880577356
2008	46.4084065094739
2009	45.60396287735002
2010	44.470500778332095
2011	43.55193983246703
2012	43.005555721926505
2013	41.949994676502534
2014	41.02023376677483
2015	40.63867430898626
2016	40.36144456063581
2017	40.10942069908861
2018	39.7539738374243
2019	39.92397566759298
2020	36.786565078971584
2021	38.462002734897
2022	38.54140840793854
2023	38.463094520129495