Year	% (modeled ILO estimate)
1991	28.962357602773647
1992	29.177088262466484
1993	29.44035362704525
1994	29.74275619969975
1995	30.08000542409655
1996	30.431136095747576
1997	30.818811172117456
1998	31.2299062863397
1999	31.64418019666133
2000	32.04765126064873
2001	32.34861541997012
2002	32.64477076044927
2003	32.929344131980045
2004	33.20226468180299
2005	33.47142725258493
2006	33.635460927397006
2007	34.338420765090845
2008	35.063369650442944
2009	35.81202927760687
2010	36.58475724232991
2011	37.382247896641815
2012	38.20620102544258
2013	39.059125022881204
2014	39.940872135994084
2015	40.85498575852934
2016	41.800889514285004
2017	45.05995796761033
2018	45.34145377279242
2019	45.55621389423789
2020	45.55705065909147
2021	47.0491762542554
2022	46.12118873022
2023	46.16862539611248