Year	% (modeled ILO estimate)
1991	51.01115925194062
1992	50.89278853349507
1993	50.77750273700224
1994	50.84262646719574
1995	51.04529624311346
1996	51.10053380108692
1997	51.10972638759426
1998	51.06609506730409
1999	50.989409494294435
2000	50.89238557957135
2001	50.83916674946239
2002	50.70928867261932
2003	50.55172684429522
2004	50.47460791939628
2005	50.39701356007537
2006	50.19416293655712
2007	50.06396839205636
2008	49.951436965731084
2009	49.704129881773405
2010	49.622320615301
2011	49.394734194217605
2012	49.19837398721373
2013	49.185875459121526
2014	49.22194274674367
2015	49.27467235248371
2016	49.28267926850263
2017	49.705968224476806
2018	49.79970176122177
2019	49.651567153853804
2020	48.71590159763841
2021	48.87597832233493
2022	48.89664127968809
2023	49.03029529528481
