Year	% (modeled ILO estimate)
1991	70.61541325728206
1992	69.93714249996285
1993	69.06259737629601
1994	68.68785750951862
1995	67.81972060777541
1996	67.00261889193365
1997	66.0307959879958
1998	65.13764044269149
1999	64.35704740706753
2000	63.444899700984365
2001	63.218256223531924
2002	62.532733820623676
2003	61.88084213115747
2004	61.60758045326941
2005	60.56946892232522
2006	60.016968225039115
2007	59.656147215407195
2008	58.929131258789205
2009	58.03481191810154
2010	57.0993908703282
2011	56.60218911801925
2012	56.13608528559726
2013	55.48874771697298
2014	54.83526277106391
2015	54.31153010858584
2016	53.69003782943889
2017	52.853139841742696
2018	52.570540182201164
2019	52.028301472681285
2020	49.50672745288504
2021	49.74860422110917
2022	49.811984667941346
2023	50.09170203607444