Year	% (modeled ILO estimate)
1991	38.429210591554614
1992	38.45007804001324
1993	38.396494552344855
1994	38.80783066019256
1995	39.56906511666686
1996	39.57723538853744
1997	39.54432215581469
1998	39.53000370988685
1999	40.55485234517436
2000	41.59503065129643
2001	42.652045727337345
2002	43.72329246935201
2003	44.8093121197941
2004	45.91153679323806
2005	47.0273763365057
2006	48.15678515063717
2007	49.3010130587763
2008	50.45694533229159
2009	51.6279511436609
2010	52.809617330238645
2011	54.00343765666405
2012	55.21092702547404
2013	56.42746515229737
2014	57.65516244791792
2015	58.311208727553584
2016	58.903397412646605
2017	59.44954350616327
2018	58.7577384407042
2019	58.0038869641844
2020	57.8332034294622
2021	59.05196190196007
2022	59.65086918519956
2023	59.86534595916786