Year	% (modeled ILO estimate)
1991	35.09609049743029
1992	35.41448787097529
1993	35.79572516285748
1994	35.30726057599479
1995	34.69255287294292
1996	33.722886547055495
1997	33.91493308370616
1998	34.045139957266976
1999	33.61190274020337
2000	33.01128171094461
2001	33.309488643125285
2002	33.029917137874364
2003	32.76456860832101
2004	33.33707435442282
2005	34.29983048165436
2006	34.6299391299708
2007	34.878314790523625
2008	34.76591287425132
2009	33.738331914133354
2010	33.51682087856051
2011	33.28989531163268
2012	33.51803891538438
2013	32.82636209972765
2014	32.34166686429634
2015	31.354652018381294
2016	30.528806093579615
2017	30.415683970757357
2018	30.722315373890073
2019	31.000749301136263
2020	26.481753524961356
2021	29.59067998492458
2022	31.635433381790456
2023	32.200904404915654