Year	% (modeled ILO estimate)
1991	65.50630452498699
1992	65.29874636254125
1993	64.94466750031613
1994	64.79320530125617
1995	64.29085008272853
1996	64.1973431407573
1997	64.0315311514813
1998	63.88146987286588
1999	63.5768177386889
2000	63.0658266022101
2001	62.72554627714798
2002	62.379777104773346
2003	62.00577916821579
2004	61.603159807742045
2005	61.17827795188945
2006	60.65415435896192
2007	59.83961515001244
2008	59.068536755711015
2009	58.30288274630545
2010	57.56057716288702
2011	56.78564415950528
2012	56.014068819894426
2013	55.37158804924813
2014	54.56178642306315
2015	53.73211771923877
2016	53.11781425086983
2017	52.7954673476848
2018	52.34993923766766
2019	51.88160758509551
2020	51.26426652485569
2021	51.06198865979312
2022	51.16715468314883
2023	51.136861896200124