Year % of total employment (modeled ILO estimate) 1991 11.9032771644169 1992 11.6716181662689 1993 11.5587055256154 1994 11.7473718955628 1995 11.4761072482774 1996 12.2037789854406 1997 13.2850386990092 1998 13.9272155415587 1999 12.7822864101461 2000 12.663755978511 2001 13.1709702256628 2002 12.6123159974571 2003 12.9631993400843 2004 12.2758063811971 2005 12.0462196540245 2006 11.8919531684684 2007 11.8200339844639 2008 11.428741335777 2009 11.4449394599851 2010 11.1974884656039 2011 10.1814739899929 2012 10.7842355437307 2013 10.2049585182066 2014 8.63368531319138 2015 7.5108935460332 2016 6.8983272607541 2017 6.38048977795326 2018 6.03288578030862 2019 5.48226950930538 2020 5.3607558070113 2021 5.18763393524594 2022 5.03906731991303