Year	% (modeled ILO estimate)
1991	52.831492327075615
1992	50.97006270304888
1993	49.524097700708566
1994	48.198709261798214
1995	46.87984805527937
1996	46.203386181184044
1997	46.08179989750883
1998	46.82016881499993
1999	47.38455270137987
2000	47.333936842798046
2001	47.07061268638321
2002	47.326192666361685
2003	46.96387489509074
2004	46.69800913109386
2005	46.35035630652793
2006	46.35034462522144
2007	46.46180189786575
2008	46.60215902861346
2009	45.40748162186111
2010	44.17508008619346
2011	43.53893495360941
2012	43.03218115176245
2013	42.893971908626874
2014	42.07940927513757
2015	41.5179516170669
2016	41.366333105595665
2017	41.43271021772294
2018	41.9643038641821
2019	42.09514140686846
2020	40.575842363618506
2021	42.02051399040479
2022	43.35200837339721
2023	44.47987789611506