Year	% (modeled ILO estimate)
1991	51.488089076169906
1992	50.851296069231175
1993	49.7951840978833
1994	49.02309984717858
1995	48.181631098654364
1996	47.381864945214716
1997	46.726293956824925
1998	46.07031887279262
1999	45.61457621317838
2000	45.137359396684786
2001	44.59936481893802
2002	44.03203729357985
2003	43.471856294412795
2004	43.28687482221558
2005	42.87715217282821
2006	42.51869374979682
2007	42.059041937306766
2008	41.39692220984201
2009	40.300335530550754
2010	39.58878487654794
2011	38.925721543269304
2012	38.22447329955881
2013	37.71116693359008
2014	37.19096046399428
2015	36.59722408905756
2016	36.10848781307789
2017	35.681767203526775
2018	35.34312069481638
2019	35.22283986473491
2020	33.16447106425012
2021	34.043674153419694
2022	34.67560545085268
2023	35.017682329494605