Year	% (modeled ILO estimate)
1991	62.64460236100714
1992	62.492521836640435
1993	62.10411638768781
1994	61.808479390762145
1995	61.56489225849225
1996	61.377846320564366
1997	61.28343260915708
1998	61.10942760349163
1999	61.047608491537595
2000	60.993251382135306
2001	60.552677093418524
2002	60.051459101922525
2003	59.68456672313058
2004	59.52203966619859
2005	59.27548042793988
2006	59.233151314270415
2007	59.24096196074454
2008	59.03765587464373
2009	58.70758369295094
2010	58.58951452892803
2011	58.47149807100774
2012	58.23476601515336
2013	58.020194767700815
2014	57.82990509547452
2015	57.59059794458012
2016	57.336285055139534
2017	57.10432462505461
2018	56.93436782606113
2019	56.821857195503135
2020	55.011696789673536
2021	55.94036008830635
2022	56.898660072938604
2023	57.51018721442077