Year	% (modeled ILO estimate)
1991	54.664515397123516
1992	54.743963547780425
1993	54.90803754395729
1994	55.09986819426138
1995	55.3629262716708
1996	55.683843372880496
1997	55.908030741387435
1998	55.31518515702227
1999	55.47212886042235
2000	55.81516690209853
2001	55.723041245651814
2002	55.90677087997135
2003	56.112131762529394
2004	56.3715683364095
2005	56.52939881083462
2006	56.68711178106401
2007	56.880399233846276
2008	56.39022855944642
2009	57.190065304623786
2010	57.00995807127883
2011	58.57290991574854
2012	59.78262264368849
2013	62.953695310804434
2014	64.45575397079749
2015	64.8673914992252
2016	65.3665564660329
2017	65.88673122488925
2018	66.06975880311006
2019	66.09102585296998
2020	65.95684922762672
2021	66.60387444950743
2022	66.14450903980068
2023	66.18012980016931