Year % (modeled ILO estimate) 1991 66.45063855112731 1992 65.70031494540349 1993 64.36329967779719 1994 63.38580058741227 1995 62.30354855284009 1996 61.19574509141857 1997 59.92638454813584 1998 58.614296031097204 1999 57.4994485299035 2000 56.65695082182674 2001 55.70834085532627 2002 54.52847597224122 2003 53.49315439477932 2004 53.024118302289764 2005 51.994957098775956 2006 51.47829220206432 2007 51.07463854978382 2008 50.23351630777621 2009 49.26997846476938 2010 48.582894790019765 2011 47.85277465727012 2012 47.36455767993516 2013 46.641289988825115 2014 45.93178573200044 2015 45.26328371481361 2016 44.708820619222664 2017 44.101288354537694 2018 44.011736010752955 2019 43.64702725710522 2020 40.5572010793189 2021 40.947186854797074 2022 40.4870879891317 2023 40.49347151414285