Year	% (modeled ILO estimate)
1991	73.29260736360045
1992	72.46474498509795
1993	71.47709706721425
1994	71.01978243012378
1995	70.07810743970302
1996	69.13140739016401
1997	68.04297876805592
1998	67.09727285972123
1999	66.25999771902092
2000	65.2727235545242
2001	65.01234627482879
2002	64.18773661592577
2003	63.438372155209194
2004	63.120699409678025
2005	61.95277948018495
2006	61.34287399199689
2007	60.95639804936598
2008	60.2454678326284
2009	59.37035915495259
2010	58.38314762221079
2011	57.86940757634667
2012	57.39931338504095
2013	56.699004189309655
2014	55.91890428522478
2015	55.29966907957038
2016	54.55454501384436
2017	53.65826269955346
2018	53.24588717260093
2019	52.543202694557785
2020	49.8533959145182
2021	50.04133897166176
2022	50.048172640745804
2023	50.32640396178194