Year	% (modeled ILO estimate)
1991	43.2154470683745
1992	42.94241167717582
1993	42.80588767646683
1994	42.68509737433236
1995	42.55058488306162
1996	42.401522749191884
1997	42.234552872175534
1998	42.19572631750095
1999	41.82581359623664
2000	41.513085048605696
2001	41.39668196671349
2002	41.22962525883772
2003	41.04103720077022
2004	40.711373821132874
2005	40.41225479608784
2006	40.072423807421444
2007	39.66227199058926
2008	39.341977421444746
2009	38.88518965952486
2010	38.59667992452442
2011	38.23598155531799
2012	37.88914323990932
2013	37.87875904703443
2014	37.63629435284684
2015	37.46829341177454
2016	37.10676442639736
2017	36.95853565354257
2018	36.6429662544424
2019	36.27416293244502
2020	35.20401607230799
2021	35.03825536111218
2022	34.95059400016822
2023	35.097252219071784