Year	% (modeled ILO estimate)
1991	41.75367595486894
1992	41.61000728190587
1993	40.81081847363408
1994	40.26963600570087
1995	39.859103457140485
1996	40.122038100667766
1997	40.40752271931554
1998	39.91209777346426
1999	39.81853969725711
2000	39.744613915920745
2001	40.28168034668589
2002	40.82701217739333
2003	40.8058681339269
2004	40.77287191413178
2005	40.450216386150196
2006	40.181580225981634
2007	39.681589611089166
2008	39.26034860657834
2009	39.201814013690246
2010	39.19567232682439
2011	38.52531163181963
2012	37.85144934632659
2013	37.19429460654569
2014	36.366112145307106
2015	36.2905912905862
2016	36.07724987247156
2017	35.79933056820293
2018	35.5164629008126
2019	35.2246822233918
2020	35.79259112067919
2021	36.356769544535176
2022	35.983437051075185
2023	36.041149364805534