Year	% (modeled ILO estimate)
1991	64.222
1992	64.509
1993	63.805
1994	63.881
1995	63.752
1996	63.62
1997	63.235
1998	63.276
1999	62.945
2000	63.64
2001	63.048
2002	61.625
2003	61.296
2004	60.876
2005	59.287
2006	59.362
2007	60.892
2008	61.585
2009	62.014
2010	62.845
2011	63.464
2012	64.406
2013	63.863
2014	63.922
2015	63.577
2016	63.459
2017	64.169
2018	64.68
2019	65.79
2020	64.536
2021	63.347
2022	64.701
2023	65.385