Year	% (modeled ILO estimate)
1991	52.88839575309445
1992	52.21307436977831
1993	51.20204782805498
1994	50.38284822108352
1995	49.4431796739348
1996	48.64847695990822
1997	47.97459503972382
1998	47.22680041955554
1999	46.58408180635479
2000	45.90156149433182
2001	45.349164898878705
2002	44.780102481375984
2003	44.274690583353745
2004	44.038357072754906
2005	43.519666236851805
2006	43.046267632421866
2007	42.463244402481
2008	41.702239182336086
2009	40.83931546589726
2010	40.135738641367986
2011	39.341839495915
2012	38.575537322327136
2013	37.93862823275368
2014	37.26811781068865
2015	36.51249815598935
2016	35.85198447960855
2017	35.32230983777038
2018	34.871862939333305
2019	34.68646757169704
2020	32.764704709167916
2021	33.515351721399384
2022	34.06176798804567
2023	34.392962974744336