Year	% (modeled ILO estimate)
1991	66.409
1992	66.31
1993	66.243
1994	66.193
1995	66.204
1996	66.254
1997	66.306
1998	66.315
1999	66.294
2000	66.291
2001	66.306
2002	66.305
2003	66.297
2004	66.341
2005	66.351
2006	66.453
2007	66.531
2008	66.603
2009	66.547
2010	66.461
2011	66.587
2012	66.709
2013	66.747
2014	66.713
2015	66.617
2016	66.509
2017	66.386
2018	66.346
2019	66.195
2020	65.161
2021	65.112
2022	65.986
2023	66.162