Year % of total employment (modeled ILO estimate) 1991 0.0305109745916583 1992 0.0351215544676774 1993 0.0363127269545435 1994 0.0345698894874216 1995 0.033726857955055 1996 0.0344653990628509 1997 0.0320226476125683 1998 0.0273711126717447 1999 0.0288523016058037 2000 0.0309133053525446 2001 0.0274645161632389 2002 0.0254097577535335 2003 0.0248017320362514 2004 0.0251916665966898 2005 0.0261866257117277 2006 0.0184159914136482 2007 0.0114719538230286 2008 0.00874276776763798 2009 0.00528586809255277 2010 0.00379528494737641 2011 0.00296075906611617 2012 0.00214577043887608 2013 0.00146606736528989 2014 0.00097516213289412 2015 0.000642217153803669 2016 0.0123123358172005 2017 0.0101355620643595 2018 0.00975249159769579 2019 0.0133008537634845 2020 0.0128458929690578 2021 0.0121851657791804 2022 0.0122028974492144