Year	% (modeled ILO estimate)
1991	61.89643429335196
1992	61.352924732127136
1993	61.42639618264574
1994	61.67302000957079
1995	61.27163305943203
1996	61.03089220562284
1997	60.273199181352126
1998	59.87503649623482
1999	59.360294686020474
2000	59.030928793736756
2001	58.76532398093823
2002	58.456883102768614
2003	58.126597992777135
2004	58.229422015779235
2005	58.06102726625363
2006	57.90233109649139
2007	57.916263445031724
2008	57.86554898012747
2009	57.99509100367964
2010	57.967708873561136
2011	57.81855270054507
2012	57.34817323640011
2013	57.55057117173569
2014	57.27119008179807
2015	57.042395584689366
2016	56.66709627073603
2017	56.139566545640285
2018	56.34144491168195
2019	54.27607162914517
2020	51.562920344230285
2021	52.426845427658094
2022	52.59300076361452
2023	53.43145555310104