Year % of total employment (modeled ILO estimate) 1991 27.0851732440926 1992 26.7884032494684 1993 26.2556397067758 1994 24.9998816861148 1995 23.9138852861315 1996 22.8726029424412 1997 22.0595857781445 1998 21.8392823029786 1999 22.059667738098 2000 22.6588577020955 2001 21.9189687853882 2002 20.6622567243382 2003 19.9230774814125 2004 20.2325597399588 2005 20.5706441734191 2006 21.187565068773 2007 21.6790986523173 2008 21.5549578740142 2009 20.9600860068153 2010 21.4126938886591 2011 20.7789772608117 2012 21.1302938053009 2013 21.5838220886985 2014 21.0075848886616 2015 20.4642407788385 2016 20.0537534327425 2017 19.7347835943799 2018 19.199157471156 2019 18.9184093634286 2020 18.2226653399616 2021 18.4574438739306 2022 18.0559034554937