Year	% (modeled ILO estimate)
1991	52.94456233631616
1992	53.87094669610241
1993	54.84794977269138
1994	55.874357622564666
1995	57.087682150160056
1996	57.486226513198524
1997	58.50414059832204
1998	59.19862557052691
1999	59.75777379027041
2000	60.19139648025021
2001	61.23705548817291
2002	62.00733837067124
2003	62.68951266310146
2004	63.72949923502106
2005	64.60729022017087
2006	65.00429284392533
2007	65.32150761667098
2008	65.38987812344949
2009	66.26558339133497
2010	65.9895283833018
2011	65.6776675629906
2012	66.08738046935468
2013	66.13311642380343
2014	66.04154570597987
2015	66.48647562174146
2016	66.98724771692427
2017	67.44613082119938
2018	68.06588828564315
2019	68.77261469401272
2020	66.93326715646657
2021	67.95163096230945
2022	68.47365622424569
2023	68.79563442491227