Year	% (modeled ILO estimate)
1991	65.92005234594009
1992	65.19529819117521
1993	63.86404536240176
1994	62.43409484184331
1995	61.15689374380511
1996	59.51646093841215
1997	57.97710740450924
1998	56.491889233098235
1999	55.420470986809775
2000	54.48187770933566
2001	53.65180093784286
2002	52.73179222908619
2003	51.66950089374993
2004	51.35055181096355
2005	50.88988403462512
2006	50.28218362666093
2007	49.85360654361152
2008	49.27230275477715
2009	48.30044184388999
2010	47.64834183096185
2011	46.9235810432906
2012	46.24946751237152
2013	45.60509954151564
2014	44.896386751679906
2015	44.05540571222616
2016	43.033150931211104
2017	42.486518858335685
2018	42.29861085221453
2019	41.758826065220745
2020	38.106051425787484
2021	39.26124198594244
2022	38.989482456347325
2023	38.77363375414234