Year % of total employment (modeled ILO estimate) 1991 7.61345605243309 1992 7.325354929275027 1993 7.017591667659587 1994 6.824647527738686 1995 6.540008105729109 1996 6.332260452377864 1997 6.220835395272465 1998 5.938968226960777 1999 5.687378346952574 2000 5.393282400527581 2001 5.247028542995812 2002 5.087437559786535 2003 5.015578244687125 2004 4.678473927513271 2005 4.578574424031285 2006 4.436186935572227 2007 4.2107786040497945 2008 3.7602210484242193 2009 3.790945432182502 2010 3.7721389929097 2011 3.639131148609412 2012 3.584658708843656 2013 3.4977591562475165 2014 3.413295062890819 2015 3.314656285390301 2016 3.2486598636121973 2017 3.138930036056359 2018 3.040067164369291 2019 2.9815878882770037 2020 2.9372251204047037 2021 3.0366393102856057 2022 2.916018006747726