Year	% (modeled ILO estimate)
1991	65.844
1992	64.92
1993	63.857
1994	63.017
1995	62.795
1996	62.447
1997	62.48
1998	62.365
1999	62.151
2000	61.688
2001	61.948
2002	62.055
2003	61.756
2004	61.69
2005	61.777
2006	61.979
2007	62.157
2008	62.297
2009	62.317
2010	62.146
2011	62.025
2012	61.781
2013	61.403
2014	60.856
2015	60.206
2016	59.569
2017	58.88
2018	58.12
2019	57.297
2020	56.252
2021	56.38
2022	57.314
2023	57.795