Year	% (modeled ILO estimate)
1991	33.225212127825806
1992	33.25508444707763
1993	33.51380278929815
1994	33.75918365436834
1995	33.72660174724508
1996	33.982908007727566
1997	34.26784831951714
1998	34.65568524059427
1999	34.81265762215944
2000	35.05813802392357
2001	35.280199842663066
2002	35.522822865470175
2003	35.870446962847296
2004	36.24480854161974
2005	36.64818976000777
2006	36.3795095727304
2007	36.11134952995517
2008	35.873947140076254
2009	35.69590211575454
2010	35.519983548708716
2011	34.97234125248025
2012	34.38596189783355
2013	34.65917808742748
2014	34.945317913897114
2015	35.275105535274484
2016	35.423418245453554
2017	35.81836003402236
2018	35.771614633253904
2019	36.10814613393042
2020	35.92872344674158
2021	36.70911986945637
2022	37.21915697184825
2023	41.38138195469137