Year	% (modeled ILO estimate)
1991	62.332
1992	62.351
1993	62.295
1994	62.229
1995	62.128
1996	62.145
1997	62.099
1998	62.149
1999	62.232
2000	62.337
2001	62.406
2002	62.454
2003	57.655
2004	61.48
2005	58.789
2006	58.974
2007	57.286
2008	58.586
2009	62.656
2010	56.993
2011	56.831
2012	59.008
2013	58.002
2014	56.062
2015	54.055
2016	57.666
2017	56.371
2018	58.546
2019	59.273
2020	56.123
2021	59.404
2022	55.914
2023	56.836