Year	% (modeled ILO estimate)
1991	55.60534624858957
1992	55.59333178685796
1993	55.577513884015765
1994	55.05083123268724
1995	54.798829961029924
1996	53.85825256008601
1997	53.443971257131246
1998	52.891016603294446
1999	53.490339793755844
2000	52.03245523239545
2001	50.7002842555162
2002	50.354285356521444
2003	50.44527543710045
2004	50.371770434796005
2005	50.33363995744135
2006	49.73078505636962
2007	48.97932351496171
2008	48.76143677586833
2009	48.1814024121764
2010	47.80657812883488
2011	46.53885441221785
2012	46.49488638928601
2013	45.77757063121727
2014	44.90561843329506
2015	42.132322562975055
2016	41.72356635411366
2017	41.066600144252234
2018	40.409723670688386
2019	39.93143782256547
2020	38.27798324094256
2021	38.906708154022986
2022	38.962890950143894
2023	39.071285633844575