Year	% (modeled ILO estimate)
1991	57.31571979744156
1992	57.106802098554304
1993	56.65797998638271
1994	56.415722338442706
1995	56.36861902028824
1996	56.37378482504793
1997	56.32492210672303
1998	56.1111653690648
1999	56.27861694860591
2000	56.413041858115655
2001	55.971615898591885
2002	55.51667372076345
2003	55.01758889325614
2004	54.43051158003149
2005	53.724872031088125
2006	52.34584686625863
2007	50.6552175725035
2008	49.03829567713285
2009	47.55019319623884
2010	46.38747216766054
2011	44.630394750194505
2012	42.772854598415876
2013	42.23798847366118
2014	41.245414486975356
2015	40.24456592483094
2016	39.34614627090873
2017	38.57094246167998
2018	37.65058167887983
2019	37.83854541978142
2020	36.954541638318716
2021	38.3185515979047
2022	39.74204108124705
2023	39.63538016933875