Year	% (modeled ILO estimate)
1991	55.08847927475047
1992	54.89147247204656
1993	54.43958413760626
1994	54.17614593858427
1995	54.05192275687294
1996	53.9285883119898
1997	53.64350271790232
1998	53.29276274040954
1999	53.29516152501009
2000	52.98286932849963
2001	52.62481703336406
2002	52.2113686649329
2003	51.7588252119232
2004	51.490253602055354
2005	50.86738622945801
2006	49.950563487069864
2007	48.80786404463713
2008	47.7798782410035
2009	46.72486635787711
2010	45.80701900987045
2011	44.44356793258687
2012	42.82937595012165
2013	42.296355207131775
2014	41.51726601914925
2015	40.447509159704516
2016	39.67101782909477
2017	38.783842510697035
2018	38.14641819312142
2019	38.16698593133824
2020	37.074128232511455
2021	37.8300756399165
2022	38.770945331573934
2023	38.88106514147228