Year	% (modeled ILO estimate)
1991	46.58341069308071
1992	46.039060338952076
1993	44.26408062451488
1994	44.69915696084533
1995	43.746075608342096
1996	42.61305826844077
1997	41.77442030768394
1998	41.26732235440498
1999	41.20485565553007
2000	40.44248009816775
2001	40.69219799715572
2002	40.83664548831963
2003	40.61441131527045
2004	39.509821542703584
2005	39.52368116240585
2006	39.614908636574505
2007	39.76876003924933
2008	39.925823142982445
2009	39.784000782249834
2010	40.24847141970398
2011	40.65452561866868
2012	40.71446442606311
2013	40.82578562512361
2014	40.56154117327982
2015	40.71226988563639
2016	40.93605374216078
2017	41.049256755990214
2018	41.15690000651885
2019	40.977595800318696
2020	39.44057637733406
2021	40.147233981738324
2022	40.70831538608315
2023	40.964668116918546