Year	% (modeled ILO estimate)
1991	66.732
1992	66.536
1993	65.772
1994	68.196
1995	69.603
1996	69.531
1997	67.562
1998	67.643
1999	68.002
2000	68.477
2001	69.1
2002	68.269
2003	69.057
2004	69.117
2005	69.618
2006	69.539
2007	69.739
2008	69.505
2009	67.767
2010	67.224
2011	67.501
2012	66.814
2013	66.289
2014	66.269
2015	66.731
2016	66.395
2017	66.376
2018	67.575
2019	68
2020	66.556
2021	69.03
2022	68.741
2023	67.202