Year	% (modeled ILO estimate)
1991	58.926092811921194
1992	59.0092443608605
1993	59.097969809631245
1994	59.35346159664275
1995	59.81486485045136
1996	59.988919075242244
1997	60.06737834361355
1998	60.07968200101741
1999	60.11170042829648
2000	60.257042911867174
2001	60.42853000042773
2002	60.570243962863806
2003	60.71845770725151
2004	61.00654385702099
2005	61.29527039634987
2006	61.199647257704136
2007	61.043000133464595
2008	60.85198028038035
2009	60.383293205289654
2010	59.34615794120517
2011	59.5078937261716
2012	59.427047505731565
2013	59.5389991545833
2014	59.47400971960425
2015	59.51047766628824
2016	59.39878689203442
2017	59.450313035291394
2018	59.42300883187717
2019	59.324927152738844
2020	58.29083160170315
2021	58.447902487580755
2022	58.92894680047097
2023	59.15926885680008