Year	% (modeled ILO estimate)
1991	51.52731086528199
1992	51.30914900007204
1993	50.88374441232274
1994	50.62366646006834
1995	50.22577192994947
1996	50.200830345180115
1997	50.148040506764346
1998	49.923194676758115
1999	49.67928674119974
2000	49.358968180894266
2001	49.34214532214726
2002	49.34137628003535
2003	49.12877157683577
2004	48.8988003338234
2005	48.55599005279019
2006	48.12961528624617
2007	47.53880067603949
2008	47.006065505337055
2009	46.59653317644661
2010	46.22083296714356
2011	45.630175763375604
2012	45.01899326735693
2013	44.56266188527885
2014	43.9431275110652
2015	43.643234346126626
2016	43.28744107040471
2017	43.10903299216383
2018	42.74068012639848
2019	42.36711826088924
2020	42.218961169688725
2021	42.262136674517244
2022	42.008359016657735
2023	42.050293544958514