Year	% (modeled ILO estimate)
1991	64
1992	64.091
1993	63.818
1994	63.955
1995	63.982
1996	62.727
1997	62.227
1998	62.145
1999	61.845
2000	62.355
2001	60.936
2002	59.536
2003	58.055
2004	57.809
2005	57.227
2006	57.564
2007	55.936
2008	55.473
2009	53.155
2010	51.591
2011	51.464
2012	51.391
2013	51.445
2014	51.282
2015	51.073
2016	51.382
2017	51.5
2018	50.818
2019	51.455
2020	49.636
2021	51.373
2022	51.355
2023	51.315