Year	% (modeled ILO estimate)
1991	68.2358399570348
1992	67.33246600053339
1993	65.78062150013558
1994	64.52269720491417
1995	63.203257504241584
1996	61.87147952769941
1997	60.281812290016966
1998	58.823729628960265
1999	57.58281427464559
2000	56.54574359301295
2001	55.11548903717559
2002	53.761495082149395
2003	52.437681411166174
2004	51.59333032161093
2005	50.427045971667994
2006	49.70397259221875
2007	49.04112317904378
2008	47.96106149756145
2009	46.979500528410014
2010	46.06806735081275
2011	44.98758654827185
2012	44.327758728321285
2013	43.34399166927826
2014	42.46750608850425
2015	41.6480831400756
2016	40.80404606972875
2017	40.10400814259434
2018	39.71104606597035
2019	39.52985880018707
2020	36.3288409668649
2021	36.87115456456078
2022	36.30231308381472
2023	36.362617041094516