Year	% (modeled ILO estimate)
1991	25.294584933139152
1992	25.497041026664007
1993	25.863340709448135
1994	26.22981313942673
1995	26.47999455634186
1996	26.853250051479165
1997	27.096673973453928
1998	27.28234294532781
1999	27.555097981049435
2000	27.988019732205778
2001	28.279102757336645
2002	28.713083944872032
2003	29.25619535506761
2004	29.836449881870298
2005	30.430270911314533
2006	31.41605453481126
2007	32.445436698872165
2008	33.51644039865024
2009	34.598700649675166
2010	35.63248784655127
2011	36.20870208003942
2012	36.68984355599702
2013	37.10083946091195
2014	37.524376690641446
2015	38.00650695060632
2016	38.290649069575
2017	38.73744926297799
2018	39.266564740842824
2019	39.75749425187628
2020	39.525848748399625
2021	40.37552433584127
2022	39.83829713443448
2023	40.112982121986064