Year % (modeled ILO estimate) 1991 47.86739593000614 1992 47.098123149304314 1993 46.15525979308178 1994 45.56698591795084 1995 44.67484354356518 1996 43.81145827428884 1997 43.027289287533115 1998 42.387320761264434 1999 41.7517033737565 2000 40.90432593169217 2001 40.4328577392325 2002 40.16464837890065 2003 39.66898950112826 2004 39.32012124590255 2005 38.9056802732227 2006 38.29071994202629 2007 37.5850546996743 2008 36.763060527278924 2009 36.13432522153643 2010 35.208973087914245 2011 34.281515016918185 2012 33.47426438333239 2013 32.67842586838781 2014 31.968902011372613 2015 31.489217663156573 2016 30.875173069246436 2017 30.34040806267214 2018 29.61753730543633 2019 29.428720869423262 2020 27.722016868874597 2021 28.230953616540777 2022 28.41336079300776 2023 29.130106399746502