Year % of total employment (modeled ILO estimate) 1991 1.7109000366568 1992 2.12769361211986 1993 2.80433579785389 1994 2.02534815043928 1995 1.40059939128692 1996 1.50153768111347 1997 1.55782425594113 1998 0.898890936721958 1999 0.786914145950874 2000 0.434555764557275 2001 0.524058003141577 2002 0.372497415809804 2003 0.200802875712086 2004 0.462013936647085 2005 0.222838869605104 2006 0.174350609380771 2007 0.221936725200322 2008 0.145141417695069 2009 0.185067726375684 2010 0.184591213246885 2011 0.264952114387597 2012 0.303697727228364 2013 0.261349711033853 2014 0.212567407718054 2015 0.127290488736272 2016 0.100092333237638 2017 0.111539487403312 2018 0.124314618077868 2019 0.050886572045417 2020 0.0873381082230429 2021 0.198500689512724 2022 0.132138368377133