Year	% (modeled ILO estimate)
1991	62.412
1992	60.757
1993	60.13
1994	60.676
1995	60.283
1996	59.929
1997	59.639
1998	59.211
1999	59.802
2000	59.838
2001	59.838
2002	59.835
2003	59.843
2004	59.856
2005	59.869
2006	59.879
2007	59.883
2008	59.886
2009	59.893
2010	59.859
2011	59.785
2012	59.719
2013	59.656
2014	61.446
2015	60.691
2016	59.942
2017	58.783
2018	60.262
2019	62.034
2020	60.188
2021	61.746
2022	60.456
2023	61.02