Year	% (modeled ILO estimate)
1991	65.30078240806382
1992	65.04637647692722
1993	64.48478322180345
1994	64.49036804608936
1995	64.38274946510968
1996	64.38456686020314
1997	64.80604391361425
1998	64.8470965821589
1999	64.49099069797697
2000	64.44400811571438
2001	64.91775532871424
2002	64.91855064316213
2003	65.07079514624698
2004	65.69143137468659
2005	65.9624124800393
2006	66.20243822436038
2007	66.21634556219492
2008	66.58367150423
2009	67.31426190806832
2010	67.61618561744356
2011	67.65491452991454
2012	67.97148998755515
2013	69.23874008147737
2014	69.90921619048972
2015	70.37532558106435
2016	71.35188866799204
2017	72.43952614031353
2018	73.67155870445345
2019	74.6497029481
2020	74.39782657405333
2021	75.09395860212037
2022	75.9110899464971
2023	76.66601442388327