Year	% (modeled ILO estimate)
1991	44.03012666066386
1992	43.86742285959542
1993	43.624049983618036
1994	43.52895695204097
1995	43.490797085929515
1996	43.677306417944266
1997	43.85932124515578
1998	43.91157260404389
1999	43.972752588551586
2000	44.00544454418639
2001	43.784322600735734
2002	43.57452199116209
2003	43.21252589821749
2004	42.85540095231769
2005	42.41758251375343
2006	41.477177546511065
2007	40.44181784613014
2008	39.47881710973746
2009	38.638323404735274
2010	37.83158043689591
2011	36.66113765728143
2012	35.7603770091943
2013	35.402164479189466
2014	34.74482702731012
2015	34.26293986262656
2016	33.60661533566816
2017	33.23056042629436
2018	32.561306767470455
2019	31.933759397453883
2020	31.547297098679337
2021	31.66930120691172
2022	31.93956148219894
2023	32.88534186422453