Year	% (modeled ILO estimate)
1991	39.602936536216625
1992	39.28291391677149
1993	39.02704145380636
1994	38.74129794618079
1995	38.45698503143076
1996	38.33357659517662
1997	38.15201748684166
1998	37.93368138163163
1999	37.57905062853169
2000	37.37063920863323
2001	37.32229559662576
2002	37.31306617382408
2003	37.15529974848645
2004	37.02514685745145
2005	36.74340772875218
2006	36.651860371596904
2007	36.4591703370078
2008	35.97476330371387
2009	35.44730305341889
2010	34.92965635025625
2011	34.65364101176213
2012	33.068912823000865
2013	31.755190969505573
2014	31.081738270881687
2015	30.775319160670175
2016	30.596494278308874
2017	30.00780820460689
2018	29.384099978121643
2019	29.032032654464548
2020	28.232272257646972
2021	28.56197213554128
2022	28.95261805596004
2023	29.02263665465606