Year	% (modeled ILO estimate)
1991	43.58892791463049
1992	42.94717010794193
1993	42.16748881992241
1994	41.75401630128222
1995	41.19879656702017
1996	41.37100545557273
1997	41.65293562087322
1998	41.0550646587359
1999	41.442182410089856
2000	39.70983114996947
2001	38.59172031937005
2002	38.323025804503246
2003	38.52390732721989
2004	40.0996489806677
2005	39.53274001623169
2006	39.62554710958736
2007	39.43407208502051
2008	39.32806320470695
2009	39.20925906738472
2010	38.6027095089243
2011	36.6308384711907
2012	35.25883654558797
2013	34.90937477610128
2014	34.18035195898919
2015	30.90739561124814
2016	30.408740572346485
2017	29.856779147518974
2018	30.31514095682209
2019	30.397999077358246
2020	28.480342113491528
2021	29.02743414969605
2022	29.724079518954085
2023	30.04126342014066
