Year	% (modeled ILO estimate)
1991	37.24727262429989
1992	35.67454522982496
1993	33.06513259190943
1994	31.862466527381272
1995	30.87653824777889
1996	29.725755513315704
1997	29.50393102221255
1998	30.513204638677514
1999	30.749524692431265
2000	31.47368570440822
2001	31.583657528388642
2002	30.953591390133493
2003	30.474252066984505
2004	30.057709562462
2005	29.60862474570192
2006	30.143627158588117
2007	31.180276733583103
2008	31.409853155783484
2009	29.99356384852712
2010	29.011762677724406
2011	28.53354475063463
2012	27.697197670495164
2013	27.53481886799728
2014	27.5668481330188
2015	28.08308670450638
2016	28.742482485309136
2017	29.81820599774665
2018	30.430120946528696
2019	30.80887416330535
2020	28.842724900088758
2021	29.61907958782832
2022	31.449312951210448
2023	32.53081900205787