Year	% (modeled ILO estimate)
1991	71.30951375193668
1992	70.51000872667541
1993	69.5792739612401
1994	69.08274452056601
1995	68.10029210119795
1996	66.9406653365241
1997	66.16845172932624
1998	65.43654854878945
1999	64.78669568628528
2000	63.82707699775412
2001	63.198125248349776
2002	62.44408540176759
2003	61.749457463611044
2004	61.42325726262142
2005	60.62458618716875
2006	59.9340134860563
2007	59.41485297860018
2008	58.60810934449572
2009	57.75015237974721
2010	56.68844577287257
2011	56.12631888804791
2012	55.95525888759055
2013	55.0777878482283
2014	54.40005161663508
2015	53.96339473513725
2016	53.528921613493914
2017	53.28807244613572
2018	53.18845696500412
2019	52.797722472081055
2020	49.61675102656044
2021	50.75799910620344
2022	51.157090687357616
2023	51.028611625473616