Year	% (modeled ILO estimate)
1991	67.21537290176089
1992	67.10987168362419
1993	66.61682765444495
1994	66.32547050286543
1995	66.07237048056324
1996	65.81395689949053
1997	65.41250987312856
1998	65.17174278998726
1999	64.86294686537153
2000	64.65932210949566
2001	63.70878185167908
2002	62.82506942257688
2003	62.10057123643595
2004	61.48218952483727
2005	60.90439997276912
2006	60.46554230717777
2007	60.414224971161275
2008	59.93070650790703
2009	59.431034798354304
2010	59.08109323883349
2011	59.22855486821064
2012	59.058628048243186
2013	58.721059401629674
2014	58.603542856356626
2015	58.3760164717088
2016	58.153246421587625
2017	57.86798976845847
2018	57.82553874212561
2019	57.67577313657986
2020	56.10782854484941
2021	57.05244156786759
2022	56.87470674380632
2023	56.627760855823695