Year	% (modeled ILO estimate)
1991	68.946
1992	68.426
1993	68.621
1994	69.008
1995	69.338
1996	69.474
1997	69.891
1998	70.126
1999	70.281
2000	70.517
2001	69.43
2002	68.219
2003	67.4
2004	67.702
2005	68.12
2006	68.551
2007	68.201
2008	67.023
2009	63.15
2010	62.329
2011	62.67
2012	63.432
2013	63.547
2014	64.123
2015	64.691
2016	65.129
2017	65.406
2018	65.745
2019	66.008
2020	61.884
2021	63.376
2022	64.76
2023	64.829