Year	% (modeled ILO estimate)
1991	54.10545202025313
1992	53.35237021036765
1993	52.28477490991499
1994	51.991591735436934
1995	51.18941679225571
1996	50.008481167389085
1997	48.44549082244364
1998	47.78748759305662
1999	47.028158062660545
2000	46.2992522910515
2001	45.53983006845468
2002	44.17861618551835
2003	45.31308393671712
2004	44.70270925413161
2005	43.453388060244016
2006	42.85307601941065
2007	42.35334561553039
2008	41.52205649372539
2009	40.62248870388436
2010	39.640685384377015
2011	39.142464801304406
2012	38.761358786201114
2013	38.39220263861236
2014	38.4710528577543
2015	38.639751934259586
2016	38.43700188976282
2017	38.2242626392423
2018	38.482993375221085
2019	38.091740420967504
2020	36.39547728700638
2021	35.377192467548895
2022	35.86161901150607
2023	36.450096025599876