Year	% (modeled ILO estimate)
1991	55.7362387795255
1992	55.24222564089856
1993	53.89777977757681
1994	53.42930610082875
1995	53.16812809423546
1996	52.70707179288728
1997	52.97212401041806
1998	52.696691183110524
1999	51.60962968455885
2000	50.34966170746416
2001	49.69127878616414
2002	47.98506951085699
2003	47.89879599983633
2004	47.747160280736914
2005	48.037454170250186
2006	49.13551517834452
2007	50.46717352228002
2008	51.35395274771107
2009	50.4600068347568
2010	50.003329276502406
2011	49.91349487888883
2012	50.16772390761582
2013	50.27157575091619
2014	51.36488601903361
2015	51.98469664678421
2016	52.728249072826046
2017	53.99380002638174
2018	54.63965041403465
2019	55.01600297162602
2020	54.46139131523725
2021	54.381307594782406
2022	55.32981731287082
2023	55.48560370021387