Year % (modeled ILO estimate) 1991 37.434201126064536 1992 35.58135581600468 1993 32.8898885707386 1994 31.43127642524971 1995 30.40169078598044 1996 29.32061683358776 1997 29.121152419402954 1998 30.28124810246661 1999 31.366696789420818 2000 32.46603875513446 2001 32.94567720291379 2002 32.901339784496145 2003 32.85710166214261 2004 32.29787859131078 2005 31.84806045210613 2006 32.26729622447358 2007 33.36233273133863 2008 33.43821758241177 2009 31.747114587184967 2010 30.63087382026851 2011 30.268272344804625 2012 29.065647810279053 2013 28.86847013045263 2014 28.51131609951395 2015 28.882264330118296 2016 29.44378634275229 2017 30.37885505492631 2018 30.955598399042227 2019 31.406719361581313 2020 29.60796444500697 2021 30.898589301735726 2022 33.15121115520087 2023 34.39893805337145