Year	% (modeled ILO estimate)
1991	55.8934290167773
1992	55.9322202578393
1993	56.112619506335825
1994	55.95684155293324
1995	56.095441613881434
1996	54.91802965637633
1997	55.241286789670866
1998	55.636448230037374
1999	55.608995175731245
2000	54.85157647627097
2001	54.45689191401481
2002	54.54065484535891
2003	54.40957540944543
2004	54.71728340801201
2005	55.0983872922102
2006	54.79442768207361
2007	54.24312492604896
2008	53.71845023569761
2009	53.43341179889752
2010	52.43755021798398
2011	51.63661338605459
2012	51.666365987182616
2013	50.59565065483112
2014	49.95863308938091
2015	49.52430488547838
2016	49.45536420579479
2017	49.72383202591122
2018	49.88146212691359
2019	50.23931452094802
2020	45.96247958920837
2021	48.90172093639727
2022	49.02076368399766
2023	48.39959160643858