Year	% (modeled ILO estimate)
1991	58.109819837943554
1992	58.01520312436595
1993	57.75457150338048
1994	57.48207152071093
1995	57.27927382358496
1996	57.22423897158755
1997	57.09180025121355
1998	56.93501491235182
1999	56.76267313050595
2000	56.50101938525012
2001	56.387532743351905
2002	56.24962970507776
2003	56.05461086196888
2004	55.90635460158277
2005	55.716280559412176
2006	55.42678272941382
2007	54.90322109206223
2008	54.348267448695445
2009	53.76741370354595
2010	53.22284330780716
2011	52.725400598623914
2012	52.01890197715212
2013	51.68086002193465
2014	51.202970450470715
2015	50.761753786171234
2016	50.53780956056708
2017	50.08523680352014
2018	49.68762797678282
2019	49.24497408119113
2020	48.79051292846746
2021	48.45055318772484
2022	48.266360967185015
2023	48.310901926083055