Year	% (modeled ILO estimate)
1991	57.24440303536618
1992	56.696300876519715
1993	55.84513841504231
1994	55.29940288974575
1995	54.590315417048785
1996	53.793426128345125
1997	53.084223631087376
1998	52.46799003576969
1999	52.14518756642084
2000	51.475012041808576
2001	50.99085882322465
2002	50.5627267262681
2003	50.03035053377005
2004	49.75088757112395
2005	49.26465889615283
2006	48.59982687463962
2007	47.907605127797154
2008	47.21383022592734
2009	46.51641494621951
2010	45.63307974999537
2011	44.82697130600324
2012	44.108319936014865
2013	43.45528811810221
2014	42.77224435707678
2015	42.222013754857905
2016	41.67506355230103
2017	41.16652674647613
2018	40.598784780384996
2019	40.16843316839706
2020	38.61495929890077
2021	39.02591839936204
2022	39.11756864674214
2023	39.46303583633271