Year	% (modeled ILO estimate)
1991	45.12707676432146
1992	44.55652894644089
1993	43.18725504304915
1994	42.62157534896721
1995	42.21052306260974
1996	41.33753698771597
1997	40.656898125320055
1998	40.376299362347794
1999	40.88519823682274
2000	41.378793835965865
2001	40.81619073772813
2002	40.261979000322356
2003	39.335066137185066
2004	39.28963518760075
2005	39.31430372555496
2006	39.547190228235884
2007	39.78585402561643
2008	39.67442577357723
2009	37.15031131845295
2010	36.391168053994356
2011	36.4933565596315
2012	36.17094847767239
2013	36.45897180818588
2014	36.8798250312887
2015	37.319399450664896
2016	37.9520863240459
2017	38.255407640099676
2018	38.70874118743788
2019	39.11902679893117
2020	36.20062455476054
2021	37.99544147674361
2022	39.22354151842936
2023	39.644760111140236