Year	% (modeled ILO estimate)
1991	73.4189820334086
1992	73.40785100206163
1993	73.40870199455775
1994	73.61015833904997
1995	73.23070463928346
1996	72.54578036624292
1997	72.87251248154138
1998	73.35573691790685
1999	73.84249089440341
2000	73.92642868393544
2001	73.90790346299127
2002	73.55983128214018
2003	73.96693612992497
2004	73.84568162883495
2005	73.71157290771673
2006	73.74250317383881
2007	72.82653240442598
2008	72.31662439339071
2009	72.51770973596393
2010	72.48559840112861
2011	73.2674733770754
2012	73.92415535300113
2013	74.79142185663925
2014	74.57478005865103
2015	75.3455272598953
2016	75.84088914887394
2017	76.27989086823945
2018	76.80497140279132
2019	76.74011381876551
2020	76.0568341944575
2021	76.35511409553757
2022	76.87811915733064
2023	75.6777635261194