Year	% (modeled ILO estimate)
1991	77.61367328018962
1992	77.48313744305501
1993	77.35002265205026
1994	77.25094826369084
1995	77.23577489610243
1996	77.15739847039751
1997	77.04588762193525
1998	76.86434021657237
1999	76.65704326210344
2000	76.4527029623855
2001	76.31582393089855
2002	76.17409342189116
2003	76.03897981367477
2004	76.04715770035676
2005	76.04671056770746
2006	76.03484104511841
2007	75.64481799394846
2008	75.26118986858584
2009	74.89244211536793
2010	74.662929447763
2011	74.30624783749829
2012	73.94772459641744
2013	73.62724140880273
2014	73.25009675713805
2015	72.559005674471
2016	72.19144950952114
2017	72.0309396014499
2018	72.03624076926049
2019	71.84775641927264
2020	70.71237972148045
2021	70.26634358568654
2022	71.13894575085475
2023	71.0043879590503