Year	% (modeled ILO estimate)
1991	63.74
1992	63.499
1993	63.286
1994	63.148
1995	62.589
1996	62.109
1997	61.492
1998	61.792
1999	61.932
2000	62.021
2001	62.219
2002	62.355
2003	62.458
2004	62.649
2005	62.458
2006	62.325
2007	62.14
2008	61.856
2009	61.853
2010	61.968
2011	62.136
2012	62.436
2013	62.569
2014	62.739
2015	62.356
2016	62.058
2017	61.752
2018	61.414
2019	60.941
2020	59.456
2021	59.161
2022	59.666
2023	59.909