Year	% (modeled ILO estimate)
1991	28.29979059374204
1992	28.136280113650137
1993	27.463496361907932
1994	27.17073265462396
1995	26.70480933653773
1996	26.87309825834678
1997	26.797370899155776
1998	26.342098832642172
1999	26.808363583436556
2000	25.658251464112844
2001	24.816383674618145
2002	24.898273045670937
2003	25.018877616544092
2004	25.606581988045907
2005	25.27762750748485
2006	25.192457265518602
2007	25.17767421311401
2008	24.87241833852044
2009	24.773368199632245
2010	24.242328981305235
2011	23.156560654507107
2012	22.46619519359164
2013	22.293266098029306
2014	21.98019898413634
2015	20.790307110789602
2016	20.694703510142162
2017	20.021684345361002
2018	19.563322764529985
2019	19.338065811325162
2020	17.835746193454646
2021	18.43508516958356
2022	19.075433205785703
2023	19.29029019703726