Year	% (modeled ILO estimate)
1991	60.27902907489248
1992	59.939801486440125
1993	60.15927459652965
1994	60.9341109153042
1995	61.316427635074064
1996	61.55142295546771
1997	62.15675789572905
1998	62.47111318811603
1999	62.7837365862527
2000	63.09297185705048
2001	62.381013205000976
2002	61.56732200985378
2003	61.20585131676374
2004	61.313477694030965
2005	61.62626406138493
2006	61.99795649328812
2007	61.90834375644084
2008	61.24111673037494
2009	58.52920777594157
2010	57.78685225752359
2011	57.76738435800903
2012	58.147929331457846
2013	58.24570232929921
2014	58.662796544192595
2015	59.041760585197224
2016	59.378574980076486
2017	59.79248791351752
2018	60.1133292414307
2019	60.5029033476762
2020	56.534172722070636
2021	58.18197544666724
2022	59.51306798831517
2023	59.824684176041266