Year	% (modeled ILO estimate)
1991	61.744
1992	61.701
1993	61.746
1994	61.57
1995	61.39
1996	61.645
1997	61.673
1998	61.668
1999	61.553
2000	61.392
2001	61.727
2002	61.848
2003	62.109
2004	62.057
2005	62.178
2006	62.569
2007	62.903
2008	63.126
2009	63.297
2010	63.412
2011	63.855
2012	64.059
2013	64.176
2014	64.296
2015	61.222
2016	61.942
2017	62.565
2018	61.14
2019	58.765
2020	55.849
2021	57.106
2022	56.783
2023	57.026