Year	% (modeled ILO estimate)
1991	52.23996387650943
1992	52.707589777293855
1993	52.90276106494524
1994	52.49452197470002
1995	52.33219277767494
1996	51.51930369188365
1997	50.76695192574373
1998	49.905171775856104
1999	50.21926974069213
2000	48.80450441406179
2001	47.37747209799785
2002	46.97564109793625
2003	47.03572840849463
2004	46.92653462526944
2005	46.844903561715505
2006	46.79952275635661
2007	46.52072830576582
2008	46.99561020820412
2009	46.143797054681514
2010	45.93512834275919
2011	45.30784224577549
2012	44.951471027502116
2013	44.51013567519985
2014	43.83733508088977
2015	41.0527384783129
2016	40.43371304347433
2017	39.34024167581835
2018	38.87810033504087
2019	38.33302174281603
2020	37.27943924917223
2021	38.14418646939162
2022	38.32880769978903
2023	38.36019144132562