Year	% (modeled ILO estimate)
1991	57.545006746350694
1992	56.91567335614644
1993	56.11410841930498
1994	55.604868799720464
1995	54.90291058371854
1996	54.1847163526338
1997	53.58588420139513
1998	53.03154991288583
1999	52.60087286786968
2000	51.928660474588995
2001	51.47701113474935
2002	51.06822013449496
2003	50.57292868934688
2004	50.25471803504677
2005	49.75137342880689
2006	49.06951483817802
2007	48.33895299085431
2008	47.547849446135494
2009	46.82021428751678
2010	45.92266263790203
2011	45.095566726397045
2012	44.388723571230464
2013	43.71488479016758
2014	43.03140260134224
2015	42.48784636268147
2016	41.93270476271868
2017	41.443112605192525
2018	40.883778484817775
2019	40.47014713541902
2020	38.91525551208839
2021	39.346229455951416
2022	39.483357524120386
2023	39.85738980014645