Year	% (modeled ILO estimate)
1991	63.15735922895506
1992	62.97833275995107
1993	62.56771475995991
1994	62.04010097620183
1995	61.82810384162958
1996	61.354340121970665
1997	61.00795779059333
1998	60.65279706781926
1999	60.65265384378147
2000	60.63649087369025
2001	60.18546987750233
2002	59.76133263146757
2003	59.20794626941716
2004	58.95349633284718
2005	58.75107318148933
2006	58.52549853956211
2007	58.342526326735396
2008	57.916118068340914
2009	57.34058012569186
2010	56.96985879186889
2011	57.05619890106553
2012	56.9961785442019
2013	56.76592670869838
2014	56.71355371996849
2015	56.51351078125819
2016	56.19848853844133
2017	56.00345766760874
2018	55.88608963544306
2019	55.675080154951566
2020	53.80427797504851
2021	55.08713104731226
2022	55.28276459389392
2023	55.0087720868712