Year	% (modeled ILO estimate)
1991	63.23
1992	64.394
1993	64.074
1994	64.136
1995	65.233
1996	66.295
1997	66.943
1998	63.676
1999	62.783
2000	63.507
2001	63.559
2002	64.115
2003	64.238
2004	64.371
2005	65.49
2006	64.37
2007	65.237
2008	65.072
2009	63.727
2010	63.285
2011	65.468
2012	64.952
2013	61.941
2014	61.181
2015	60.73
2016	59.755
2017	58.897
2018	59.215
2019	58.584
2020	58.561
2021	58.517
2022	59.178
2023	58.582