Year	% (modeled ILO estimate)
1991	28.14081180851253
1992	27.967374592210355
1993	27.215870197481124
1994	26.896303137534193
1995	26.438396355930955
1996	26.682127186469792
1997	26.65875336203782
1998	26.2173965632458
1999	26.76753341408572
2000	25.437853356627247
2001	24.56192169985575
2002	24.781974168196573
2003	24.970263314327713
2004	25.646789875850857
2005	25.250129962976324
2006	25.072422146496688
2007	24.899615829494483
2008	24.399458041347984
2009	24.29988334830086
2010	23.648473950546467
2011	22.41852598597924
2012	21.612109738819473
2013	21.42279308339499
2014	21.081430088600076
2015	19.764838382482147
2016	19.51260344880244
2017	18.962657467061145
2018	18.35428020958547
2019	18.17976675596959
2020	16.760600190336266
2021	17.21212041236587
2022	17.698269654246953
2023	17.85975085537444