Year	% (modeled ILO estimate)
1991	47.96696065115635
1992	48.60161355461357
1993	46.9880191715158
1994	47.00785446320508
1995	46.22620960955499
1996	44.857813173149765
1997	42.83108471623557
1998	41.589431301206275
1999	42.89613096132851
2000	41.810406271286055
2001	40.86003812296219
2002	40.10097519695902
2003	38.84097072747124
2004	38.60761171813305
2005	38.319631422182134
2006	37.72463722372455
2007	37.61139044573562
2008	38.380553560735855
2009	38.556392927627485
2010	38.286541658056656
2011	38.36674381234247
2012	37.411184421497715
2013	37.60703517825738
2014	37.71678816951932
2015	37.76424081149422
2016	37.83246711411286
2017	37.54944369792908
2018	37.31367927171065
2019	37.17296714514673
2020	34.87163097814781
2021	35.11604295873141
2022	35.1696718407367
2023	34.837649052964885