Year	% (modeled ILO estimate)
1991	34.921269230562416
1992	34.30623228105836
1993	34.90509554473213
1994	35.31902270623719
1995	35.976798052134136
1996	36.04629712456069
1997	35.34044384377001
1998	35.598478259186706
1999	35.30613547730456
2000	35.6461381401016
2001	35.6739439692361
2002	35.16167991888569
2003	34.72168410918952
2004	35.3455189166516
2005	35.82291426397668
2006	36.73850861466263
2007	37.03065997133207
2008	37.25389743585844
2009	36.113117379746676
2010	36.219177271733074
2011	35.57164888837322
2012	34.90153708089306
2013	34.33906808167449
2014	35.05273605128875
2015	35.59107359176773
2016	34.70361214336379
2017	34.949455121053994
2018	35.051600931734384
2019	33.75840919162682
2020	30.252079286882175
2021	31.537609714408784
2022	33.12797453177444
2023	34.03329274117934