Year	% (modeled ILO estimate)
1991	61.51970160673298
1992	61.382230286823926
1993	61.31331127513362
1994	61.32486792693018
1995	61.42201542481993
1996	61.545215100965756
1997	61.75863228161168
1998	62.05051576207462
1999	62.398334624322224
2000	62.79635455518437
2001	63.26940013699971
2002	63.782861268830615
2003	64.32204789430223
2004	64.8622145397733
2005	65.3822998193859
2006	66.17892764923296
2007	66.92254012561061
2008	67.58355769725446
2009	68.15223957883836
2010	68.62081532774509
2011	69.19355120434577
2012	69.71134419086773
2013	70.12267231488836
2014	70.41759642970992
2015	70.63230020946497
2016	70.15460729746444
2017	69.72362472072199
2018	69.35249277140105
2019	69.07420025507976
2020	68.84516236716678
2021	69.54769615780951
2022	68.9724389520169
2023	69.2467748647524