Year	% (modeled ILO estimate)
1991	42.080366857833134
1992	41.97173850639221
1993	41.68949176154928
1994	41.510374760386256
1995	41.49019395045934
1996	41.53269430920101
1997	41.45659328256102
1998	41.28000346134005
1999	41.08852004529191
2000	40.914682869784436
2001	40.870848848976614
2002	40.765609294909495
2003	40.582221601692524
2004	40.5407017820282
2005	40.41076274385796
2006	40.153527432254634
2007	39.89585713645094
2008	39.3986213293445
2009	38.68567150793143
2010	37.90457324222768
2011	37.33180489915217
2012	36.35838912277168
2013	35.66073369224729
2014	35.3491262104681
2015	35.166630623796244
2016	34.95014900715497
2017	34.27395860275661
2018	33.86245505998218
2019	33.53388480872696
2020	32.678402216272445
2021	32.824924322411
2022	32.78643138433945
2023	32.88217211760894