Year	% (modeled ILO estimate)
1991	41.91515174366476
1992	41.674987216228445
1993	41.36096398860563
1994	41.02088726925639
1995	40.67037323160588
1996	40.56280344564276
1997	40.37566568272518
1998	40.13189013121772
1999	39.70934109113836
2000	39.41318925322652
2001	39.376917038833234
2002	39.40893654657622
2003	39.29103951844119
2004	39.18541689584007
2005	38.93392348126461
2006	38.92525140602343
2007	38.75180943322957
2008	38.32010171778897
2009	37.84189293255569
2010	37.37663768937582
2011	37.07997516302654
2012	35.57357469190673
2013	34.33168794867409
2014	33.603032848189244
2015	33.15719244549084
2016	33.16354282621763
2017	32.603143494635155
2018	32.21710129407225
2019	31.98528463087376
2020	31.3200201678366
2021	31.676211262778867
2022	32.05095601543089
2023	32.23513026363527