Year	% (modeled ILO estimate)
1991	58.40142870837655
1992	58.27604954899713
1993	57.98339093303155
1994	57.66017865678725
1995	57.39567958860921
1996	57.235042041704745
1997	56.99982433007165
1998	56.719998179839706
1999	56.41052943689093
2000	56.08619272533399
2001	55.84101948074339
2002	55.616921513052674
2003	55.39934332067717
2004	55.20533361393926
2005	55.06796154609341
2006	54.783946267952594
2007	54.42417926822424
2008	54.09388663073406
2009	53.52198084290065
2010	52.769562182814425
2011	52.738500730048266
2012	52.460768026026884
2013	52.433943376710936
2014	52.08506208681262
2015	52.0610009507227
2016	51.88593372746864
2017	51.608783018955755
2018	51.09409077417025
2019	50.75853875080122
2020	50.31688719441984
2021	50.09366038727236
2022	49.99985304414241
2023	50.14541258653767