Year	% (modeled ILO estimate)
1991	57.10268245060387
1992	57.02181375390596
1993	56.96702677330234
1994	57.53649378952381
1995	57.28098970998393
1996	57.1035166434863
1997	57.43202357617626
1998	57.854961727072364
1999	57.63902921833466
2000	57.838411266737566
2001	57.04992461612309
2002	56.46465288801076
2003	55.06797889661179
2004	54.558293313322174
2005	54.46161761597771
2006	53.92124267591724
2007	53.40104563523014
2008	52.85204189964845
2009	51.66101932347492
2010	50.237844426004045
2011	49.976887218026775
2012	49.828901937995084
2013	50.05967960584941
2014	50.20563726133547
2015	50.346856197267414
2016	50.31126773864728
2017	50.71462184811883
2018	50.87812956824476
2019	51.57838936647736
2020	49.63897205497466
2021	50.92445171286838
2022	51.134602493233395
2023	52.05478814498174