Year	% (modeled ILO estimate)
1991	53.31761037697851
1992	51.850314520525494
1993	50.26944823283426
1994	49.07021902679063
1995	47.96752367861232
1996	47.006419695459485
1997	46.13878042941201
1998	46.51259589893851
1999	46.62748045213279
2000	46.562186082546596
2001	46.29211210710774
2002	46.02139777547754
2003	45.30628049260331
2004	44.92739893436737
2005	44.425957538354
2006	44.22499661230746
2007	44.30126791895795
2008	44.45850522376821
2009	43.746217650090045
2010	43.0060695645373
2011	42.40973245269821
2012	42.05266441664732
2013	42.03112976559122
2014	41.53609542957338
2015	41.17991361669624
2016	41.08592881939998
2017	41.21782771842278
2018	41.503156588132725
2019	41.68537942613683
2020	40.12041299142052
2021	41.11870723774818
2022	42.1796309569361
2023	43.1340411354288