Year % (modeled ILO estimate) 1991 23.763597622834382 1992 24.338427608471292 1993 24.23969889494752 1994 24.836889284121828 1995 24.8352675123657 1996 24.8978322535426 1997 25.03570706303039 1998 25.266512367736702 1999 26.02388640745246 2000 26.582802789514037 2001 27.05234669283128 2002 26.7768069381834 2003 27.38764173174815 2004 27.930690052733652 2005 28.57282889635667 2006 28.90576948363769 2007 29.544395837723858 2008 28.776310104260823 2009 29.452920730305507 2010 29.395034788992024 2011 29.28393943441617 2012 29.819631208919457 2013 29.70803075086413 2014 29.960594257396618 2015 30.909703212771397 2016 31.80932769866767 2017 31.43785668232655 2018 30.40650337134758 2019 29.87725400322354 2020 29.684416162586498 2021 29.944110898099183 2022 29.664678406390067 2023 30.113563816165883