Year	% (modeled ILO estimate)
1991	57.110924021137585
1992	56.92156239559154
1993	56.672531704685525
1994	56.48138831592821
1995	56.304024796589076
1996	56.16135092139005
1997	55.98399709872924
1998	55.794081634409665
1999	55.570282400796415
2000	55.27427645253157
2001	55.044455378718766
2002	54.80147937525868
2003	54.508843440257266
2004	54.25236637993677
2005	53.96499435052177
2006	53.54134215253857
2007	52.95751898560556
2008	52.38312499011603
2009	51.78646805366851
2010	51.208009234280254
2011	50.67947432236976
2012	50.08129432397438
2013	49.58852272882061
2014	48.99769729028926
2015	48.46539979436794
2016	48.01085749890864
2017	47.863180377857496
2018	47.43975125477073
2019	47.04678670069619
2020	46.600850428598186
2021	46.382869954267015
2022	46.17242246699689
2023	46.23873458280544