Year	% (modeled ILO estimate)
1991	61.007
1992	62.336
1993	63.17
1994	63.6
1995	64.491
1996	65.198
1997	66.201
1998	66.213
1999	65.212
2000	65.374
2001	64.966
2002	65.045
2003	64.93
2004	64.822
2005	64.496
2006	64.862
2007	65.226
2008	65.082
2009	65.293
2010	65.574
2011	65.375
2012	65.411
2013	65.261
2014	65.273
2015	65.355
2016	64.721
2017	65.32
2018	66.15
2019	66.314
2020	62.028
2021	62.868
2022	66.224
2023	66.13