Year	% (modeled ILO estimate)
1991	37.31034284894414
1992	36.70649719884978
1993	36.600767583818666
1994	36.494215414683346
1995	36.10230536570829
1996	35.65441220604161
1997	35.178218455112734
1998	35.03959326550694
1999	34.98018480623807
2000	34.90823437756245
2001	34.72239155649082
2002	34.15524226278493
2003	34.692442224404324
2004	34.56225330599923
2005	34.53173780142675
2006	34.54945437228263
2007	34.52655351317717
2008	34.639859675797624
2009	34.168794727415936
2010	33.68172669863707
2011	33.3548102336792
2012	33.359997535041245
2013	33.221363292520735
2014	33.55492263373534
2015	33.84514896078193
2016	33.82644319836245
2017	33.87006591820632
2018	34.04857807044428
2019	33.26376179603818
2020	31.83129197709251
2021	31.7208368257686
2022	32.48895776414093
2023	32.48641298082765