Year	% (modeled ILO estimate)
1991	65.99271962373183
1992	65.08657676313807
1993	63.79710963482082
1994	62.66714868260176
1995	61.17761067829085
1996	59.86146510367781
1997	59.0684778713096
1998	57.90800077684098
1999	56.78259874982581
2000	55.85856287304583
2001	54.99461858916995
2002	53.77699384202215
2003	53.11618272835517
2004	53.094465578216656
2005	52.311664444240165
2006	52.08454779397663
2007	51.8078157001247
2008	51.1424245058437
2009	49.95702112192378
2010	49.329116263546624
2011	48.9458149764209
2012	48.8822847915406
2013	48.07488768666127
2014	47.317298573372405
2015	46.59904940255741
2016	45.88682384231438
2017	45.70810089674319
2018	45.704154936666335
2019	45.18100546927836
2020	41.522598502458024
2021	42.86912584732641
2022	43.202215038632986
2023	42.99603784080373