Year	% (modeled ILO estimate)
1991	61.93920078862082
1992	61.84105933252723
1993	61.649048189892476
1994	61.42825390169706
1995	61.059267111692215
1996	60.831882408883665
1997	60.698118130068345
1998	60.451037255340154
1999	60.189848419371124
2000	60.088457053356336
2001	60.01896227043482
2002	59.87525945817589
2003	59.79740253389424
2004	59.79941470978809
2005	59.891320157197285
2006	59.790783646764346
2007	59.67112063740431
2008	59.4322680914619
2009	59.15179545739497
2010	58.90000192594246
2011	58.76529870656483
2012	58.32923820939385
2013	58.15999994135406
2014	57.976832701268336
2015	57.74609009576301
2016	57.51921224791706
2017	57.164417536152335
2018	57.01674375390692
2019	56.61540916761897
2020	55.195698007220976
2021	54.972504274549514
2022	56.11658752097177
2023	56.29074506654224