Year	% (modeled ILO estimate)
1991	47.48298457798028
1992	46.48290407900161
1993	45.206847455203516
1994	44.9951840436074
1995	44.84826520651254
1996	44.12649452448397
1997	44.23113089957378
1998	44.421069686568494
1999	44.644701245894304
2000	45.31759899691306
2001	44.71791725684067
2002	44.15531436737239
2003	43.34120494636757
2004	43.233890308532416
2005	42.9870039867958
2006	43.565503964600104
2007	43.469726237889795
2008	42.700101981075555
2009	39.08920149192404
2010	38.28659377701615
2011	38.492995704045306
2012	38.2300570707509
2013	38.4422921013411
2014	38.99910066093762
2015	39.65376913190507
2016	40.35216808091525
2017	41.03420910078549
2018	41.66438221572781
2019	42.304648796298395
2020	39.283973236661915
2021	41.14491392367993
2022	43.161078050509516
2023	43.54838093862446