Year	% (modeled ILO estimate)
1991	68.68514584439198
1992	68.50006489816
1993	68.04973271456439
1994	67.77599964368396
1995	67.33479166766905
1996	66.92576306610349
1997	66.81059951393456
1998	66.48952100605484
1999	66.1379444296827
2000	65.9669172513814
2001	65.42835038931612
2002	64.79248832201748
2003	64.37480995466237
2004	64.18537648862674
2005	63.82205595274841
2006	63.61709790291198
2007	63.47850009877518
2008	63.07392259924723
2009	62.530719176194175
2010	62.2129423753372
2011	62.31997225614593
2012	62.29845556102829
2013	61.957585444799435
2014	61.65796773721665
2015	61.43405214319275
2016	61.06808143085995
2017	60.88376383965984
2018	60.75963895550529
2019	60.550025774752456
2020	58.265609247893316
2021	59.44959588410192
2022	60.13071605100327
2023	60.06280622147261