Year	% (modeled ILO estimate)
1991	53.8521173114898
1992	51.76350513960779
1993	49.10038772635522
1994	49.143437862950066
1995	49.433146075570846
1996	50.66903252079818
1997	51.0137297108616
1998	50.89146892573272
1999	51.79280550424019
2000	52.76041438999869
2001	53.24993438894234
2002	53.58242720572138
2003	54.378830654008745
2004	55.46333093810033
2005	57.35289788950049
2006	59.32981849866348
2007	60.42763352457562
2008	60.90137763850293
2009	61.38958103957813
2010	61.24506217995611
2011	59.68747760017203
2012	59.97592536864279
2013	60.19591275581079
2014	60.06319883325231
2015	60.51706396844453
2016	60.159055926115954
2017	60.03839317454675
2018	60.00595972925801
2019	59.533442734268895
2020	59.3914666827256
2021	59.77541371158392
2022	58.083082378767834
2023	58.56174476864131