Year	% (modeled ILO estimate)
1991	44.20874121719031
1992	44.0448847304121
1993	43.66917670204738
1994	43.273822083410906
1995	42.85544931884513
1996	42.76332079676192
1997	42.569619301951775
1998	42.30112213028461
1999	41.810245034807245
2000	41.42621250152925
2001	41.401231916356956
2002	41.47252892885739
2003	41.39188337385991
2004	41.309407051327725
2005	41.0873020595597
2006	41.1581044676901
2007	41.0020140004919
2008	40.621452874948965
2009	40.1904586495217
2010	39.774983902829
2011	39.457141475269985
2012	38.026757960591105
2013	36.853308449830706
2014	36.06882286394316
2015	35.48485554040308
2016	35.66967566844919
2017	35.13465252907752
2018	34.978281461667734
2019	34.86219707073124
2020	34.326356417429814
2021	34.70687089925794
2022	35.06490498404837
2023	35.36000078297416
