Year	% (modeled ILO estimate)
1991	47.05451360756467
1992	46.40270131776676
1993	45.96863786435186
1994	45.80895211487084
1995	45.273151658490015
1996	44.57690775578852
1997	43.67066966584211
1998	43.278848059622305
1999	42.8858774431584
2000	42.53167437950766
2001	42.113491590346136
2002	41.281360616259526
2003	41.88814787322243
2004	41.566282497058126
2005	41.0342691709855
2006	40.79634830572974
2007	40.59172690060347
2008	40.325024122123956
2009	39.77867994494646
2010	39.18444328832775
2011	38.85044084933351
2012	38.68538997290673
2013	38.50061760039223
2014	38.67335890650219
2015	38.941507500171085
2016	38.89320695990542
2017	38.791356107826495
2018	39.01552200953419
2019	38.35294652989419
2020	36.73452502982724
2021	36.40160423676548
2022	37.120595831378836
2023	37.452461747425154