Year	% (modeled ILO estimate)
1991	61.41345252856993
1992	61.20179723512207
1993	60.794402098893926
1994	60.58422548929405
1995	60.43659236860567
1996	60.324018485775625
1997	60.3174399001173
1998	60.18806700807627
1999	60.19806663687781
2000	60.25138691855974
2001	59.887985645377555
2002	59.438643518583184
2003	59.12901572463602
2004	59.01231892718914
2005	58.875770808249314
2006	58.92309175221908
2007	58.983886449031026
2008	58.79456098180343
2009	58.25177503188468
2010	58.08901211971359
2011	58.012244855531705
2012	57.83209055725825
2013	57.667974538270805
2014	57.577678697734825
2015	57.44535487106691
2016	57.322176536941214
2017	57.20241423741981
2018	57.14522145891926
2019	57.1267204419479
2020	55.29737181433841
2021	56.20368408189692
2022	57.18438063169212
2023	57.75560980036567