Year	% (modeled ILO estimate)
1991	28.17444313101293
1992	28.001549156406522
1993	27.244521329378106
1994	26.922374077239557
1995	26.46226201668662
1996	26.707890281414944
1997	26.68872848230276
1998	26.24729742348923
1999	26.804902011746186
2000	25.458877170204268
2001	24.639983532272712
2002	24.893600720733556
2003	25.06405166836611
2004	25.755709964929036
2005	25.347143389713057
2006	25.162704957223088
2007	24.984354671634627
2008	24.495770778737462
2009	24.39037198273789
2010	23.741274348436782
2011	22.46724765074735
2012	21.654585896895455
2013	21.47502708842407
2014	21.124577576229623
2015	19.769504203073108
2016	19.51854342265809
2017	18.97148062218974
2018	18.36384261190754
2019	18.179946844109644
2020	16.78207518024562
2021	17.216791100291772
2022	17.669123090875196
2023	17.859750855374436