Year	% (modeled ILO estimate)
1991	66.42
1992	64.772
1993	62.551
1994	62.179
1995	61.657
1996	60.675
1997	59.508
1998	60.415
1999	61.863
2000	63.193
2001	63.575
2002	65.6
2003	66.805
2004	66.378
2005	66.011
2006	66.526
2007	66.765
2008	67.056
2009	65.505
2010	65.048
2011	64.673
2012	63.893
2013	64.025
2014	64.831
2015	64.61
2016	64.209
2017	64.166
2018	63.521
2019	65.303
2020	61.784
2021	64.051
2022	65.33
2023	64.588