Year	% (modeled ILO estimate)
1991	52.397024856533164
1992	51.803130595593984
1993	50.75811681947879
1994	49.88193607806419
1995	48.926668611982265
1996	48.06194786191546
1997	47.28539797328245
1998	46.474175070645046
1999	45.913309214928354
2000	45.25634037805676
2001	44.70579505809691
2002	44.138801819021104
2003	43.59889001595965
2004	43.41059214374646
2005	42.95776667374371
2006	42.514797194385544
2007	42.006538684691215
2008	41.348014765935545
2009	40.47022929976471
2010	39.787616958102824
2011	39.02805590388066
2012	38.264212526020195
2013	37.64752517488067
2014	36.98905710429847
2015	36.233657345673926
2016	35.59406407907123
2017	35.05675095254895
2018	34.600989398811016
2019	34.40577349043654
2020	32.48178890990082
2021	33.21361335328153
2022	33.72454771735303
2023	34.02942239652863