Year	% (modeled ILO estimate)
1991	66.902
1992	64.664
1993	63.088
1994	63.463
1995	64.138
1996	64.213
1997	65.265
1998	65.89
1999	65.422
2000	65.907
2001	65.964
2002	65.556
2003	65.913
2004	65.886
2005	66.023
2006	65.936
2007	65.933
2008	65.721
2009	63.453
2010	63.079
2011	62.848
2012	63.147
2013	63.298
2014	64.24
2015	64.808
2016	65.239
2017	65.232
2018	65.576
2019	65.49
2020	63.97
2021	62.818
2022	63.843
2023	63.574