Year	% (modeled ILO estimate)
1991	17.998413095308937
1992	18.033454428671277
1993	17.852380850828588
1994	17.98480309254059
1995	17.872304310159034
1996	17.60556159041535
1997	17.265027934119026
1998	16.900533779294808
1999	17.77597510557791
2000	17.221306768792445
2001	16.526933147484286
2002	17.120769194973715
2003	16.97105346605782
2004	16.663070492531794
2005	16.351313402724053
2006	16.071290956303887
2007	15.508100801498774
2008	15.25693423663589
2009	15.058623925455949
2010	14.580473244038844
2011	14.053988286370501
2012	13.852038792998838
2013	14.057901462506491
2014	14.050477999621377
2015	14.506014538264793
2016	14.366687707498398
2017	13.426114345817696
2018	11.526739902482268
2019	10.888015270663033
2020	10.309769927867883
2021	10.657211074644648
2022	10.894271601487713
2023	10.939574513167813