Year	% (modeled ILO estimate)
1991	69.665
1992	69.742
1993	69.941
1994	65.766
1995	63.529
1996	62.051
1997	61.912
1998	61.833
1999	61.488
2000	61.713
2001	63.014
2002	63.569
2003	63.872
2004	63.992
2005	63.804
2006	64.252
2007	65.28
2008	66.405
2009	66.37
2010	66.831
2011	67.008
2012	66.985
2013	66.955
2014	66.96
2015	66.957
2016	66.841
2017	66.789
2018	66.729
2019	66.716
2020	65.816
2021	65.651
2022	65.361
2023	65.273