Year	% (modeled ILO estimate)
1991	57.31571979744156
1992	57.10680209855431
1993	56.65797998638271
1994	56.4157223384427
1995	56.36861902028824
1996	56.37378482504793
1997	56.32492210672303
1998	56.1111653690648
1999	56.27861694860591
2000	56.413041858115655
2001	55.971615898591885
2002	55.51667372076344
2003	55.017588893256146
2004	54.43051158003149
2005	53.72487203108813
2006	52.345846866258626
2007	50.65521757250351
2008	49.03829567713285
2009	47.55019319623884
2010	46.38747216766054
2011	44.63039475019451
2012	42.772854598415876
2013	42.23798847366118
2014	41.24541448697536
2015	40.244565924830944
2016	39.346146270908726
2017	38.570942461679984
2018	37.65058167887983
2019	37.838545419781425
2020	36.954541638318716
2021	38.318551597904694
2022	39.74204108124706
2023	39.63538016933875